{ "meta": { "name": "Golden Retriever lifespan evidence explorer", "canonical_owner": "https://pawcosts.com/dogs/breed/golden-retriever/", "checked_date": "2026-08-29", "ledger_rows": 21, "demand_label": "Observed US demand: >1000 monthly bin (not a traffic forecast).", "scope": "Population evidence selection; no individual prediction or medical advice." }, "csv_fields": [ "fact_id", "source_class", "source_title", "publication_date", "checked_date", "checked_url", "population_geography", "study_design", "study_population", "sample_size", "deaths_or_events", "censoring_or_followup", "measure_or_evidence", "sex_or_subgroup", "fact_value", "safe_page_use", "cannot_support", "material_limitations" ], "facts": [ { "fact_id": "MCM2024-GR", "source_class": "primary_cohort", "source_title": "Longevity of companion dog breeds: those at risk from early death", "publication_date": "2024-02-01", "checked_date": "2026-08-29", "checked_url": "https://www.nature.com/articles/s41598-023-50458-w", "population_geography": "United Kingdom", "study_design": "Retrospective survival analysis across multiple dog-data sources", "study_population": "Golden Retrievers in the mapped UK companion-dog dataset", "sample_size": "15758", "deaths_or_events": "4252 deaths; 11506 alive/censored", "censoring_or_followup": "Dogs alive at study completion were censored; Kaplan-Meier methods retained censored observations", "measure_or_evidence": "Kaplan-Meier median survival", "sex_or_subgroup": "Golden Retriever", "fact_value": "13.2 years; 95% CI 13.1-13.2", "safe_page_use": "Lead breed answer when labeled UK cohort median survival with denominator, deaths, CI and censoring", "cannot_support": "Mean lifespan; life expectancy at birth; remaining years for an individual; US population value", "material_limitations": "UK data are not universal; breed association is not individual prognosis; late estimates weaken as the risk set shrinks; no measured healthspan" }, { "fact_id": "MCM2024-SEX-F", "source_class": "primary_cohort", "source_title": "Longevity of companion dog breeds: those at risk from early death", "publication_date": "2024-02-01", "checked_date": "2026-08-29", "checked_url": "https://www.nature.com/articles/s41598-023-50458-w", "population_geography": "United Kingdom", "study_design": "Retrospective survival analysis across all breeds/lineages", "study_population": "Female dogs across all included breeds and lineages", "sample_size": "283984", "deaths_or_events": "136910 deaths", "censoring_or_followup": "Alive dogs censored; Kaplan-Meier analysis", "measure_or_evidence": "Kaplan-Meier median survival", "sex_or_subgroup": "All females; not Golden-specific", "fact_value": "12.7 years; 95% CI 12.6-12.7", "safe_page_use": "Pooled context only, clearly separated from Golden-specific evidence", "cannot_support": "Golden Retriever female lifespan; a breed-specific female advantage", "material_limitations": "Pooling crosses breed, size, lineage and conformation; not a Golden-by-sex analysis" }, { "fact_id": "MCM2024-SEX-M", "source_class": "primary_cohort", "source_title": "Longevity of companion dog breeds: those at risk from early death", "publication_date": "2024-02-01", "checked_date": "2026-08-29", "checked_url": "https://www.nature.com/articles/s41598-023-50458-w", "population_geography": "United Kingdom", "study_design": "Retrospective survival analysis across all breeds/lineages", "study_population": "Male dogs across all included breeds and lineages", "sample_size": "300750", "deaths_or_events": "147824 deaths", "censoring_or_followup": "Alive dogs censored; Kaplan-Meier analysis", "measure_or_evidence": "Kaplan-Meier median survival and hazard ratio versus females", "sex_or_subgroup": "All males; not Golden-specific", "fact_value": "12.4 years; 95% CI 12.4-12.4; HR 1.06 (95% CI 1.06-1.07)", "safe_page_use": "Pooled context only, clearly separated from Golden-specific evidence", "cannot_support": "Golden Retriever males live 0.3 years less than females", "material_limitations": "Pooling crosses breed, size, lineage and conformation; not a Golden-by-sex analysis" }, { "fact_id": "MCM2024-METHOD", "source_class": "primary_cohort", "source_title": "Longevity of companion dog breeds: those at risk from early death", "publication_date": "2024-02-01", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC10834484/", "population_geography": "United Kingdom", "study_design": "Kaplan-Meier survival curves, log-rank comparisons and Cox proportional hazards", "study_population": "All dogs in the analysis", "sample_size": "584734", "deaths_or_events": "284734 deaths", "censoring_or_followup": "Large alive population produced censoring; authors note later estimates become less reliable as the at-risk set declines", "measure_or_evidence": "Median used instead of mean because the longevity distributions were non-normal and extreme values can destabilize means", "sex_or_subgroup": "All", "fact_value": "Metric definition", "safe_page_use": "Explain why 13.2 is a median survival estimate and why censoring matters", "cannot_support": "Calling 13.2 an average or life expectancy at birth", "material_limitations": "Multiple-source data quality and unavailable neuter status; observational associations" }, { "fact_id": "SALT2019-GR-DESIGN", "source_class": "primary_cohort", "source_title": "Association between life span and body condition in neutered client-owned dogs", "publication_date": "2018-12-11", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC6335446/", "population_geography": "North America; approximately 900 veterinary hospitals, predominantly United States", "study_design": "Retrospective matched observational survival study", "study_population": "Neutered Golden Retrievers with middle-age records and evidence of survival to at least 9.5 years", "sample_size": "4560", "deaths_or_events": "1933 recorded deaths", "censoring_or_followup": "Dogs without a recorded death were right-censored at their last recorded encounter", "measure_or_evidence": "Cox-model median lifespan conditional on sex and study body-condition category", "sex_or_subgroup": "Golden Retriever", "fact_value": "2166 males (940 deaths); 2394 females (993 deaths)", "safe_page_use": "A labeled conditional evidence panel with design shown before values", "cannot_support": "Typical Golden Retriever lifespan; intact-dog estimate; causal effect of body condition", "material_limitations": "Survivor/landmark selection; all neutered; owner-reported breed/birth date; retrospective records; euthanasia and unrecorded death reasons; model estimates are not population life expectancy" }, { "fact_id": "SALT2019-GR-M-NORMAL", "source_class": "primary_cohort", "source_title": "Association between life span and body condition in neutered client-owned dogs", "publication_date": "2018-12-11", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC6335446/", "population_geography": "North America; predominantly United States", "study_design": "Retrospective matched observational survival study", "study_population": "Male neutered Golden Retrievers classified normal in middle age and surviving to at least 9.5 years", "sample_size": "407", "deaths_or_events": "117 recorded deaths", "censoring_or_followup": "Right-censored at last contact if no death date", "measure_or_evidence": "Modeled median lifespan; 99.79% CI", "sex_or_subgroup": "Male; study-normal category", "fact_value": "13.3 years; 99.79% CI 13.0-13.6", "safe_page_use": "Source-scoped conditional comparator only", "cannot_support": "Generic male Golden Retriever lifespan", "material_limitations": "Highly selected subgroup and reference conditions; not an unconditional male estimate" }, { "fact_id": "SALT2019-GR-M-OVER", "source_class": "primary_cohort", "source_title": "Association between life span and body condition in neutered client-owned dogs", "publication_date": "2018-12-11", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC6335446/", "population_geography": "North America; predominantly United States", "study_design": "Retrospective matched observational survival study", "study_population": "Male neutered Golden Retrievers classified heavy at every relevant middle-age visit and surviving to at least 9.5 years", "sample_size": "1759", "deaths_or_events": "823 recorded deaths", "censoring_or_followup": "Right-censored at last contact if no death date", "measure_or_evidence": "Modeled median lifespan; 99.79% CI", "sex_or_subgroup": "Male; study-overweight category", "fact_value": "12.5 years; 99.79% CI 12.4-12.7", "safe_page_use": "Source-scoped conditional comparator only", "cannot_support": "Weight change causes a 0.8-year lifespan change; generic male lifespan", "material_limitations": "Observational association; no diet/energy/disease adjustment; highly selected subgroup" }, { "fact_id": "SALT2019-GR-F-NORMAL", "source_class": "primary_cohort", "source_title": "Association between life span and body condition in neutered client-owned dogs", "publication_date": "2018-12-11", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC6335446/", "population_geography": "North America; predominantly United States", "study_design": "Retrospective matched observational survival study", "study_population": "Female spayed Golden Retrievers classified normal in middle age and surviving to at least 9.5 years", "sample_size": "469", "deaths_or_events": "125 recorded deaths", "censoring_or_followup": "Right-censored at last contact if no death date", "measure_or_evidence": "Modeled median lifespan; 99.79% CI", "sex_or_subgroup": "Female; study-normal category", "fact_value": "13.5 years; 99.79% CI 13.1-13.8", "safe_page_use": "Source-scoped conditional comparator only", "cannot_support": "Generic female Golden Retriever lifespan", "material_limitations": "Highly selected subgroup and reference conditions; not an unconditional female estimate" }, { "fact_id": "SALT2019-GR-F-OVER", "source_class": "primary_cohort", "source_title": "Association between life span and body condition in neutered client-owned dogs", "publication_date": "2018-12-11", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC6335446/", "population_geography": "North America; predominantly United States", "study_design": "Retrospective matched observational survival study", "study_population": "Female spayed Golden Retrievers classified heavy at every relevant middle-age visit and surviving to at least 9.5 years", "sample_size": "1925", "deaths_or_events": "868 recorded deaths", "censoring_or_followup": "Right-censored at last contact if no death date", "measure_or_evidence": "Modeled median lifespan; 99.79% CI", "sex_or_subgroup": "Female; study-overweight category", "fact_value": "12.7 years; 99.79% CI 12.6-12.9", "safe_page_use": "Source-scoped conditional comparator only", "cannot_support": "Weight change causes a 0.8-year lifespan change; generic female lifespan", "material_limitations": "Observational association; no diet/energy/disease adjustment; highly selected subgroup" }, { "fact_id": "GRLS2022-PROFILE", "source_class": "primary_prospective_cohort", "source_title": "Cohort profile: The Golden Retriever Lifetime Study (GRLS)", "publication_date": "2022-06-09", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC9182714/", "population_geography": "Contiguous United States", "study_design": "Prospective longitudinal cohort", "study_population": "Purebred Golden Retrievers enrolled at 6 months to 2 years from June 2012 to April 2015", "sample_size": "3044", "deaths_or_events": "As of 2021-05-31: 352 deaths", "censoring_or_followup": "As of 2021-05-31: 2251 alive/engaged and 441 lost to follow-up; annual owner/veterinarian questionnaires and exams", "measure_or_evidence": "Cohort design and follow-up status", "sex_or_subgroup": "Both sexes", "fact_value": "86% retained including living and deceased participants at the stated cutoff", "safe_page_use": "Population/healthspan context and transparent explanation of why an ongoing cohort cannot yet supply a final typical lifespan", "cannot_support": "Final US median lifespan; individual prediction", "material_limitations": "Volunteer/committed-owner selection; annual recall burden; changing products and methods; loss to follow-up; cohort was still maturing at publication" }, { "fact_id": "GRLS2017-BASELINE", "source_class": "primary_prospective_cohort", "source_title": "Population characteristics of golden retriever lifetime study enrollees", "publication_date": "2017-11-15", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC5688750/", "population_geography": "Contiguous United States", "study_design": "Baseline description of a prospective cohort", "study_population": "Golden Retrievers enrolled early in life with at least two known pedigree generations", "sample_size": "3044", "deaths_or_events": "Baseline paper; 51 deaths at manuscript submission, not a longevity endpoint", "censoring_or_followup": "Median enrollment age 14.0 months; ongoing annual follow-up", "measure_or_evidence": "Baseline cohort composition by sex and neuter status", "sex_or_subgroup": "All enrolled dogs; sex and neuter-status groups", "fact_value": "Intact male 1024; neutered male 516; intact female 866; spayed female 638", "safe_page_use": "Show cohort composition only", "cannot_support": "Sex-specific lifespan or a representative US breed lifespan", "material_limitations": "Healthy young cohort cared for by committed volunteer owners; baseline data do not estimate longevity" }, { "fact_id": "GRLS2025-SEX", "source_class": "primary_prospective_cohort_analysis", "source_title": "Lifetime age-related changes in clinical laboratory results, aging clocks and mortality predictors in 2412 Golden Retrievers", "publication_date": "2025-01-24", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC11984677/", "population_geography": "United States", "study_design": "Longitudinal GRLS analysis with Cox mortality models", "study_population": "Neutered Golden Retrievers with repeated clinical laboratory data, followed 2012-06-01 to 2023-04-01", "sample_size": "2412", "deaths_or_events": "775 deaths (33%)", "censoring_or_followup": "Lost/withdrawn dogs right-censored; median 8 visits and median 7 years follow-up", "measure_or_evidence": "Directional sex association in mortality analysis", "sex_or_subgroup": "1117 male; 1295 female", "fact_value": "Females lived longer on average than males; p=0.002; no years effect reported in the main result", "safe_page_use": "Breed-specific evidence that a sex association was observed, with no invented effect size", "cannot_support": "A male or female lifespan in years; a universal sex gap; individual mortality score", "material_limitations": "Neutered-only subset; external validation needed; mortality model is not an owner-facing prognosis and the paper does not publish a general sex-specific median" }, { "fact_id": "GRLS2025-HEALTHSPAN", "source_class": "primary_prospective_cohort_analysis", "source_title": "Lifetime age-related changes in clinical laboratory results, aging clocks and mortality predictors in 2412 Golden Retrievers", "publication_date": "2025-01-24", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC11984677/", "population_geography": "United States", "study_design": "Longitudinal repeated-measures cohort analysis", "study_population": "Neutered Golden Retrievers with 16678 visits", "sample_size": "2412", "deaths_or_events": "775 deaths (33%)", "censoring_or_followup": "Lost/withdrawn dogs right-censored", "measure_or_evidence": "Age-related laboratory change and mortality-model performance", "sex_or_subgroup": "All included dogs", "fact_value": "Biological-age clock R=0.78; it did not improve mortality prediction; external validation was recommended", "safe_page_use": "Explain that aging research is not the same as measured healthy-life duration", "cannot_support": "Healthy-life years; an owner-facing aging score; clinical prediction or treatment advice", "material_limitations": "One breed, selected lab-data subset, no external cohort validation; model performance does not establish healthspan" }, { "fact_id": "TENG2022-METRIC", "source_class": "primary_cohort", "source_title": "Life tables of annual life expectancy and mortality for companion dogs in the United Kingdom", "publication_date": "2022-04-28", "checked_date": "2026-08-29", "checked_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC9050668/", "population_geography": "United Kingdom", "study_design": "Hypothetical cohort life tables from VetCompass death records", "study_population": "Dogs dying from 2016-01-01 to 2020-07-31", "sample_size": "30563", "deaths_or_events": "30563 deaths in the analytic dataset", "censoring_or_followup": "Death-record cohort; bootstrapped life-table confidence intervals", "measure_or_evidence": "Life expectancy at age 0 equals mean age at death across all ages in this life-table method", "sex_or_subgroup": "All dogs; sex tables; 18 common breeds", "fact_value": "Overall life expectancy at birth 11.23 years; 95% CI 11.19-11.27", "safe_page_use": "Explain that life-table mean life expectancy and Kaplan-Meier median survival are different estimands", "cannot_support": "A Golden Retriever life-table value", "material_limitations": "Golden Retriever was not one of the 18 breed-specific life tables; cross-sectional hypothetical cohort assumptions and practice-population coverage limit transfer" }, { "fact_id": "GRCA-CREAM", "source_class": "authoritative_breed_source", "source_title": "English Cream Golden Retrievers", "publication_date": "not stated", "checked_date": "2026-08-29", "checked_url": "https://grca.org/about-the-breed/articles/english-cream-golden-retrievers/", "population_geography": "Breed definition; United States parent club context", "study_design": "Breed-club position based on recognized Golden Retriever standards", "study_population": "Golden Retrievers across coat shades", "sample_size": "not applicable", "deaths_or_events": "not applicable", "censoring_or_followup": "not applicable", "measure_or_evidence": "Breed identity and coat-color terminology", "sex_or_subgroup": "Cream/light Golden Retriever", "fact_value": "Cream is within the Golden Retriever color spectrum; English Cream is not a separate breed; the club rejects superior health/longevity claims based on color", "safe_page_use": "Answer the modifier by explaining the evidence status and shared breed identity", "cannot_support": "English cream Goldens live longer, are healthier, or form a distinct longevity population", "material_limitations": "Authoritative breed terminology, not a longevity cohort; supports no numerical lifespan estimate" }, { "fact_id": "MAF2026-STATUS", "source_class": "authoritative_cohort_owner", "source_title": "Golden Retriever Lifetime Study", "publication_date": "2026-04-23 update linked from study owner", "checked_date": "2026-08-29", "checked_url": "https://www.morrisanimalfoundation.org/study/golden-retriever-lifetime-study", "population_geography": "United States", "study_design": "Official study-owner status page", "study_population": "Golden Retriever Lifetime Study cohort", "sample_size": "more than 3000; peer-reviewed enrollment denominator is 3044", "deaths_or_events": "not stated on this status page", "censoring_or_followup": "Annual longitudinal health data; the status page does not report censoring or loss to follow-up", "measure_or_evidence": "Ongoing cohort status and research scope", "sex_or_subgroup": "All enrolled dogs", "fact_value": "Study status is Active; fully enrolled in 2015", "safe_page_use": "Freshness/status context only, paired with peer-reviewed denominators", "cannot_support": "A finalized US lifespan, healthspan duration, or intervention result", "material_limitations": "Official overview is not a substitute for methods/results papers" }, { "fact_id": "AHREFS-US-HEAD", "source_class": "accepted_demand_bin", "source_title": "Ahrefs free keyword measurement intake", "publication_date": "2026-08-29", "checked_date": "2026-08-29", "checked_url": "Private measurement record; not publicly distributed", "population_geography": "United States search database", "study_design": "Accepted keyword-demand evidence", "study_population": "Query: golden retriever lifespan", "sample_size": "keyword family 75", "deaths_or_events": "not applicable", "censoring_or_followup": "not applicable", "measure_or_evidence": "Ahrefs display bin", "sex_or_subgroup": "Head query", "fact_value": ">1000", "safe_page_use": "Prioritize the existing canonical owner", "cannot_support": "Exact monthly volume, traffic or revenue forecast", "material_limitations": "Display bin only; not an exact count or forecast" }, { "fact_id": "AHREFS-US-AVG", "source_class": "accepted_demand_bin", "source_title": "Ahrefs free keyword measurement intake", "publication_date": "2026-08-29", "checked_date": "2026-08-29", "checked_url": "Private measurement record; not publicly distributed", "population_geography": "United States search database", "study_design": "Accepted keyword-demand evidence", "study_population": "Query: average golden retriever lifespan", "sample_size": "not applicable", "deaths_or_events": "not applicable", "censoring_or_followup": "not applicable", "measure_or_evidence": "Ahrefs display bin", "sex_or_subgroup": "Average modifier", "fact_value": ">100", "safe_page_use": "Cover as metric-language clarification on the owner", "cannot_support": "Exact monthly volume, traffic or revenue forecast", "material_limitations": "Display bin only; page should not relabel a median as an average" }, { "fact_id": "AHREFS-US-MALE", "source_class": "accepted_demand_bin", "source_title": "Ahrefs free keyword measurement intake", "publication_date": "2026-08-29", "checked_date": "2026-08-29", "checked_url": "Private measurement record; not publicly distributed", "population_geography": "United States search database", "study_design": "Accepted keyword-demand evidence", "study_population": "Query: golden retriever lifespan male", "sample_size": "not applicable", "deaths_or_events": "not applicable", "censoring_or_followup": "not applicable", "measure_or_evidence": "Ahrefs display bin", "sex_or_subgroup": "Male modifier", "fact_value": ">100", "safe_page_use": "Add a controlled evidence section/anchor on the existing owner", "cannot_support": "Exact monthly volume, traffic or revenue forecast; a new modifier page", "material_limitations": "Display bin only; scientific evidence does not support an unconditional male lifespan answer" }, { "fact_id": "AHREFS-US-FEMALE", "source_class": "accepted_demand_bin", "source_title": "Ahrefs free keyword measurement intake", "publication_date": "2026-08-29", "checked_date": "2026-08-29", "checked_url": "Private measurement record; not publicly distributed", "population_geography": "United States search database", "study_design": "Accepted keyword-demand evidence", "study_population": "Query: golden retriever lifespan female", "sample_size": "not applicable", "deaths_or_events": "not applicable", "censoring_or_followup": "not applicable", "measure_or_evidence": "Ahrefs display bin", "sex_or_subgroup": "Female modifier", "fact_value": ">100", "safe_page_use": "Add a controlled evidence section/anchor on the existing owner", "cannot_support": "Exact monthly volume, traffic or revenue forecast; a new modifier page", "material_limitations": "Display bin only; scientific evidence does not support an unconditional female lifespan answer" }, { "fact_id": "AHREFS-US-CREAM", "source_class": "accepted_demand_bin", "source_title": "Ahrefs free keyword measurement intake", "publication_date": "2026-08-29", "checked_date": "2026-08-29", "checked_url": "Private measurement record; not publicly distributed", "population_geography": "United States search database", "study_design": "Accepted keyword-demand evidence", "study_population": "Query: english cream golden retriever lifespan", "sample_size": "not applicable", "deaths_or_events": "not applicable", "censoring_or_followup": "not applicable", "measure_or_evidence": "Ahrefs display bin", "sex_or_subgroup": "English cream modifier", "fact_value": ">100", "safe_page_use": "Add an evidence-status section/anchor on the existing owner", "cannot_support": "Exact monthly volume, traffic or revenue forecast; a new coat-color page", "material_limitations": "Display bin only; no separate longevity cohort was found" } ], "cards": [ { "id": "uk-breed", "topics": "uk metric", "geography": "uk", "selection": "direct", "eyebrow": "Direct breed estimate", "title": "UK Golden Retriever survival cohort", "value": "13.2 years", "metric": "Kaplan-Meier median survival; 95% CI 13.1-13.2", "population": "Golden Retrievers in a UK companion-dog dataset", "denominator": "15,758 records; 4,252 deaths; 11,506 alive/censored", "conditions": "Breed row; alive dogs were censored at study completion.", "interpretation": "Use as a UK population median, not a mean, US median, or individual forecast.", "fact_ids": [ "MCM2024-GR", "MCM2024-METHOD" ] }, { "id": "uk-sex-context", "topics": "sex uk", "geography": "uk", "selection": "context", "eyebrow": "Pooled context only", "title": "UK all-dog sex comparison", "value": "12.7 vs 12.4 years", "metric": "Female vs male Kaplan-Meier medians across all included dogs", "population": "All breeds and lineages in the UK analysis; not Golden-specific", "denominator": "Females: 283,984 / 136,910 deaths; males: 300,750 / 147,824 deaths", "conditions": "Pooled across breed, size, lineage and conformation.", "interpretation": "Do not convert the pooled 0.3-year gap into a Golden Retriever claim.", "fact_ids": [ "MCM2024-SEX-F", "MCM2024-SEX-M" ] }, { "id": "na-conditional-sex", "topics": "sex metric", "geography": "north-america", "selection": "conditional", "eyebrow": "Conditional modeled medians", "title": "Selected North American Goldens", "value": "Four conditional estimates", "metric": "Modeled median lifespan; 99.79% confidence intervals", "population": "Neutered Golden Retrievers in a predominantly US hospital network", "denominator": "4,560 dogs; 1,933 recorded deaths", "conditions": "Every dog survived to at least 9.5 years and was classified by middle-age body condition.", "interpretation": "These are not unconditional male or female breed lifespans and do not prove an intervention effect.", "fact_ids": [ "SALT2019-GR-DESIGN", "SALT2019-GR-M-NORMAL", "SALT2019-GR-M-OVER", "SALT2019-GR-F-NORMAL", "SALT2019-GR-F-OVER" ], "mini_fact_ids": [ "SALT2019-GR-M-NORMAL", "SALT2019-GR-M-OVER", "SALT2019-GR-F-NORMAL", "SALT2019-GR-F-OVER" ], "anchor": "male-female" }, { "id": "us-grls", "topics": "us sex healthspan", "geography": "us", "selection": "cohort-status", "eyebrow": "Longitudinal cohort status", "title": "US Golden Retriever Lifetime Study", "value": "No representative US median", "metric": "Prospective follow-up and a later mortality-model subset", "population": "Volunteer US Golden Retriever cohort enrolled early in life", "denominator": "3,044 enrolled; 2025 analysis: 2,412 neutered dogs and 775 deaths", "conditions": "Volunteer/committed-owner cohort; loss to follow-up; 2025 subset right-censored and externally unvalidated.", "interpretation": "The 2025 subset found a female survival association (p=0.002) but no general years gap or US median.", "linked_claim": "p=0.002", "linked_claim_fact_id": "GRLS2025-SEX", "fact_ids": [ "GRLS2017-BASELINE", "GRLS2022-PROFILE", "GRLS2025-SEX", "GRLS2025-HEALTHSPAN", "MAF2026-STATUS" ] }, { "id": "english-cream", "topics": "cream", "geography": "breed-definition", "selection": "no-estimate", "eyebrow": "Evidence status", "title": "English cream modifier", "value": "No separate cohort", "metric": "Breed identity and coat-color terminology; no lifespan measure", "population": "Cream/light Golden Retrievers within one recognized breed", "denominator": "Not applicable: the checked source is breed guidance, not a cohort", "conditions": "No checked primary cohort isolates English cream Goldens as a longevity population.", "interpretation": "Do not claim longer, healthier, or numerically identical lifespan from coat color.", "fact_ids": [ "GRCA-CREAM" ], "anchor": "english-cream" }, { "id": "metric-boundary", "topics": "metric uk", "geography": "uk", "selection": "context", "eyebrow": "Metric boundary", "title": "Median survival is not mean life expectancy", "value": "Different estimands", "metric": "Kaplan-Meier median versus hypothetical life-table mean", "population": "UK companion dogs in two different study designs", "denominator": "Life-table paper: 30,563 deaths; Golden Retriever was not one of 18 breed tables", "conditions": "The life-table source explains the mean metric but supplies no Golden Retriever value.", "interpretation": "Do not relabel the 13.2-year breed median as an average or life expectancy at birth.", "fact_ids": [ "TENG2022-METRIC", "AHREFS-US-AVG" ], "anchor": "median-vs-mean" } ], "faqs": [ { "question": "What lifespan does the UK Golden Retriever cohort report?", "answer": "The checked UK cohort reports Kaplan-Meier median survival of 13.2 years (95% CI 13.1-13.2) from 15,758 Golden Retriever records, including 4,252 deaths. This is a population median, not an average or an individual prediction." }, { "question": "Do male and female Golden Retrievers have different lifespans?", "answer": "No unconditional male or female Golden Retriever lifespan estimate was found in the checked ledger. A 2025 US analysis observed longer average survival in females but did not report a general years gap; a 2019 North American study published conditional medians only for selected neutered dogs that survived to at least 9.5 years." }, { "question": "Do English cream Golden Retrievers live longer?", "answer": "No checked cohort supports a separate English cream lifespan. The Golden Retriever Club of America treats cream as part of one Golden Retriever breed and rejects color-based longevity superiority claims." }, { "question": "Can this estimate how long my Golden Retriever has left?", "answer": "No. Population estimates cannot predict an individual dog's remaining years, death date, or healthy-life duration." } ], "reuse_notes": [ "Reuse a numeric row only with its geography, study design, denominator, events, censoring and selection limits.", "Do not merge values across cohorts or convert medians into means, individual remaining years or healthy-life duration.", "The Ahrefs rows are observed display bins for prioritization only, not exact volume or traffic forecasts.", "Source licenses and permissions vary; verify the underlying source before redistributing source content beyond factual excerpts.", "The original 1400x820 editorial image is not a study participant and must not imply a health or lifespan outcome." ] }