1[2 {"id":"C1","text":"15 of 20 countries have a recorded value in every year 2000-2022; the balanced analytic dataset has 345 country-years.","results_keys":["n_countries_balanced","n_countries_total","n_countries_incomplete","n_analysed","balanced_countries"],"status":"supported","caveat":"TUR duplicates deduplicated on iso3; CHE excluded for a single missing year."},3 {"id":"C2","text":"Balanced-panel mean life expectancy rose from 78.060 years in 2000 to 81.553 years in 2022, a change of +3.493 years.","results_keys":["mean_2000_balanced","mean_2022_balanced","change_2000_2022_balanced"],"status":"supported","caveat":"Unweighted mean over 15 mostly high-income countries; descriptive, no sampling CI."},4 {"id":"C3","text":"The naive 2022 mean over all 20 available countries (78.692 years) is lower than the balanced 2022 mean because it includes countries excluded from the balanced set.","results_keys":["mean_2022_all_available","mean_2022_balanced"],"status":"supported","caveat":"Baseline is descriptive only and not comparable to the 2000 balanced mean."},5 {"id":"C4","text":"Data issues: TUR duplicated under two names with identical values; CHE 2007 missing; BGD, ETH, IND, NGA lack 2000-2010.","results_keys":["data_issues"],"status":"supported","caveat":"No imputation applied."}6]7