Kyrgyzstan is a member of the Commonwealth of Independent States, the Eurasian Economic Union, the Collective Security Treaty Organization, the Shanghai Cooperation Organisation, the Organisation of Islamic Cooperation, the Turkic Council, the Türksoy community and the United Nations. It is a developing country ranked 120th in the Human Development Index, and the second poorest country in Central Asia. The country's transition economy is heavily dependent on deposits of gold, coal and uranium.