São Paulo (Brazil) is 2.1 times larger than Korea (North).
Area: 120,538 km2 World Factbook
Population: 24,851,627 (July 2014) World Factbook
North Korea, officially the Democratic People's Republic of Korea, is a country in East Asia, in the northern part of the Korean Peninsula. The name Korea is derived from Goryeo, a dynasty which ruled in the Middle Ages. The capital and largest city is Pyongyang. Wikipedia
São Paulo is a state in Brazil. It is the major industrial and economic powerhouse of the Brazilian economy. Named after Saint Paul, São Paulo has the largest population, industrial complex, and economic production in the country. It is the richest state in Brazil. Wikipedia