1[2 {"id":"C1","text":"The balanced panel contains 15 of 20 countries (345 country-years); BGD, ETH, IND, NGA and CHE are incomplete.","results_keys":["n_countries_balanced","n_countries_total","n_countries_incomplete","balanced_countries","n_analysed"],"status":"supported","caveat":"CHE excluded for a single empty cell (2007)."},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 mostly high-income set; descriptive, no sampling uncertainty."},4 {"id":"C3","text":"The naive 2022 mean over all 20 available countries (78.692) is about 2.9 years below the balanced 2022 mean because it includes lower-life-expectancy countries.","results_keys":["mean_2022_all_available","mean_2022_balanced","n_countries_2022_all_available"],"status":"supported","caveat":"Composition difference, not a time trend."},5 {"id":"C4","text":"TUR appears twice (Turkey/Turkiye) with identical values; it was deduplicated and counted once.","results_keys":["data_issues","n_input_rows"],"status":"supported","caveat":""}6]7