Brunei has a small well-to-do economy that depends on revenue from natural resource extraction but is also characterized by a mixture of foreign and domestic entrepreneurship, government regulation, welfare measures, and village tradition. Crude oil and natural gas production account for 70% of GDP and more than 90% of exports, with Japan and Korea as the primary export markets. Per capita GDP is among the highest in the world, and substantial income from overseas investment supplements income from domestic hydrocarbon production. For Bruneian citizens, who pay no taxes, the government provides for all medical services and free education through the university level. The government of Brunei has been emphasizing through policy and resource investments its strong desire to diversify its economy both within the oil and gas sector and to new sectors. Brunei is a founding member of the 12-nation Trans-Pacific Partnership (TPP) free trade agreement negotiations as well as the Regional Comprehensive Economic Partnership (RCEP) and, with the nine other ASEAN members, will form the ASEAN Economic Community in 2015.