The OECD is an international organisation of thirty countries that accept the principles of representative democracy and free-market economy. Most OECD members are high-income economies with a high HDI and are regarded as developed countries.
http://en.wikipedia.org/wiki/OECD
OECD website - http://www.oecd.org/home/0,2987,en_2649_201185_1_1_1_1_1,00.html
