1[2 {"id":"C1","text":"The balanced panel contains 15 of 20 countries (345 country-years); BGD, CHE, ETH, IND, NGA are incomplete.","results_keys":["n_countries_balanced","n_countries_total","n_countries_incomplete","balanced_countries","n_analysed"],"status":"supported","caveat":"CHE is excluded only because of one 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 of a mostly high-income set; descriptive, no sampling uncertainty."},4 {"id":"C3","text":"The naive 2022 mean over all 20 available countries is 78.692 years, lower than the balanced mean because it includes lower life-expectancy countries absent from the balanced set.","results_keys":["mean_2022_all_available","mean_2022_balanced"],"status":"supported","caveat":"Baseline is not the estimand; composition differs."},5 {"id":"C4","text":"TUR was duplicated under two names with identical values and was counted once.","results_keys":["data_issues","n_input_rows"],"status":"supported","caveat":"Name 'Turkiye' chosen as the label; values unaffected."}6]7