Poland

 is near the midway point of our wealthiest nations list at No. 23. There are no real glaring good or bad numbers for Poland, as it is very average in most areas. Its $585.8 billion GDP ranks No. 21 in the world, and its SPI checks in at No. 32. Poland’s SPI gets a boost from high rankings in water and sanitation, medical care and access to basic knowledge, but its 48.74 score in access to advanced education is meager. Income ranks No.  43 at $29,109 per year.