"Why the former USSR has far fewer men than women?" карту "Why the former USSR has far fewer men than women?" Pew Research, par George Gao, le 14 août 2015 Questa mappa large cohort Pew Pew Research, par George Gao, le 14 août 2015 U.S. population being more female than male since 1951 "Why the former USSR has far fewer men than women?" mapa Pew Research U.S. population being more female than male since 1951 millions more women than men U.S. population being more female than male since 1951 Pew Research Center fewest men per 100 women "Why the former USSR has far fewer men than women?" UN World Population Prospects, 2015 via Pew Research two main reasons for this difference large cohort carte du Pew Research Center Pew Research Center carte du Pew Research Center Pewresearch map carte du Pew Research Center