1[2 {"id":"C1","text":"The balanced panel contains 15 of the 20 countries (345 country-years); BGD, ETH, IND, NGA and CHE are excluded for missing years.","results_keys":["n_countries_balanced","n_countries_total","n_countries_incomplete","balanced_countries","n_analysed"],"status":"supported","caveat":"Missingness of 2000-2010 for four countries may be an extraction artifact; not imputed per rules."},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 a fixed, mostly high-income set; descriptive, no sampling CI."},4 {"id":"C3","text":"The naive 2022 mean over all 20 available countries is 78.692 years, lower than the balanced 2022 mean because of composition.","results_keys":["mean_2022_all_available","n_countries_2022_available","mean_2022_balanced"],"status":"supported","caveat":"Descriptive baseline only; not comparable with the 2000 balanced mean."},5 {"id":"C4","text":"TUR was duplicated under two name spellings with identical values; deduplication to one row per (iso3, year) was applied.","results_keys":["data_issues","sensitivity_mean_2022_naive_with_duplicate_rows"],"status":"supported","caveat":"Balanced means are unaffected by the dedup choice since values were identical."},6 {"id":"C5","text":"Per-country changes vary from +0.797 (USA) to +6.770 (KOR), SD 1.409 years.","results_keys":["change_per_country_sd","change_per_country_min","change_per_country_min_iso3","change_per_country_max","change_per_country_max_iso3"],"status":"supported","caveat":"Descriptive dispersion across countries."}7]8