Poland currently has approx. 31 percent. higher GDP per capita at PPP than if it had not joined the EU
GDP ppp, Poland | ClimatePositions
File:Countries by GDP (PPP) per capita in 2020 (updated Poland).png - Wikimedia Commons
Europe's GDP per capita expressed in PPS for 2021 • viborc.com
Poland surpassed Portugal by gdp per capita (ppp) : r/poland
A. Mesut Erzurumluoğlu on Twitter: "When both population size and GDP per capita (PPP) are accounted for (both natural log transformed) - amongst other small and/or middle-income countries - USA, China, UK
Poland (Economy)
GRP (PPP) per capita in the Baltic Sea Region - Nordregio