As per International Monetary Fund (IMF) 2019 estimates, the GDP (nominal) of Poland is USD 565,854 million. This GDP (nominal) is around 0.65% of Entire World’s GDP. Currently (2019), the world rank of Poland is 21 in terms of GDP Nominal.
However, as per 2018 estimates by World Bank, the GDP (Nominal) of Poland is USD 585,783 million. As per World Bank Estimates, the global rank of Poland is 21.

Poland GDP [PPP]

On the other hand, as per 2019 estimates by International Monetary Fund, the GDP (PPP) of Poland is USD 1,286,920 Million. This is 0.91% of World. Poland on this basis has a global rank of 22.