You are just seeing a reversion to mean for those poorer ex-communist states getting richer. The growth is driven by cheap labour, energy and land. You cannot

You are just seeing a reversion to mean for those poorer ex-communist states getting richer. The growth is driven by cheap labour, energy and land. You cannot imagine that once free of the shackles of Communism, a high-IQ country like Poland will stay forever poor, instead they will eventually equalise with neighbours like Germany: https://www.worlddata.info/iq-by-country.php https://www.worlddata.info/iq-by-country.php