1income_level,n_countries,mean_log_gdp_pc,mean_life_expectancy2Low income,20,7.6100,63.18803Lower middle income,46,8.6899,67.80954Upper middle income,58,9.6899,73.69545High income,73,10.8226,79.68586
142b688c28c78ba61ec1f5788e17a176c2bbac2a