1[2 {"id":"C1","text":"15 of the 20 countries have a recorded life expectancy in every year 2000-2022; BGD, CHE, ETH, IND and NGA are incomplete.","results_keys":["n_countries_total","n_countries_balanced","n_countries_incomplete","balanced_countries","incomplete_countries"],"status":"supported","caveat":"Incompleteness of BGD/ETH/IND/NGA appears to be an assembly artefact (2000-2010 rows absent); CHE lacks only 2007."},3 {"id":"C2","text":"The 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; describes a 15-country set of high-income countries plus Turkiye only."},4 {"id":"C3","text":"The naive 2022 mean over all 20 countries with a 2022 value is 78.692 years, 2.861 years below the balanced 2022 mean, because it includes the lower-life-expectancy countries excluded from the balanced set.","results_keys":["mean_2022_all_available","n_countries_2022_available","baseline_minus_balanced_2022"],"status":"supported","caveat":"Descriptive baseline, not the estimand; computed after removing duplicated TUR rows."},5 {"id":"C4","text":"The analytic dataset has 345 country-years after removing 23 duplicate TUR rows, 1 missing value and 70 rows of incomplete countries from 439 input rows.","results_keys":["n_input_rows","n_analysed","data_issues"],"status":"supported","caveat":""}6]7