1[2 {"id":"C1","text":"15 of 20 countries have a recorded value in every year 2000-2022 (AUS, AUT, BEL, CAN, DEU, ESP, FRA, GBR, ITA, JPN, KOR, NLD, SWE, TUR, USA); BGD, CHE, ETH, IND and NGA are incomplete.","results_keys":["n_countries_total","n_countries_balanced","n_countries_incomplete","balanced_countries"],"status":"supported","caveat":"Incompleteness probably reflects file assembly errors; no imputation or lookup was allowed."},3 {"id":"C2","text":"Balanced-panel mean life expectancy rose from 78.06 years in 2000 to 81.55 years in 2022, a gain of 3.49 years.","results_keys":["mean_2000_balanced","mean_2022_balanced","change_2000_2022_balanced","n_analysed"],"status":"supported","caveat":"Unweighted mean over a mostly high-income set of countries; descriptive, not an estimate for a wider population."},4 {"id":"C3","text":"The naive 2022 mean over all 20 available countries (78.69 years) is about 2.86 years lower than the balanced 2022 mean, because it includes low-life-expectancy countries absent from the balanced set.","results_keys":["mean_2022_all_available","mean_2022_balanced"],"status":"supported","caveat":"Baseline only; it is not comparable with the balanced 2000 mean."},5 {"id":"C4","text":"The Turkey/Turkiye duplicate series had identical values and was collapsed to one row per iso3-year, so the deduplication does not change any estimate.","results_keys":["data_issues","n_input_rows"],"status":"supported","caveat":""}6]7