Depends on the context. Geopolitically speaking, none. This is because the terms First World, Second World, Third World and even Fourth World are obsolete. Basically, the First World was comprised of the United States and her allies. read more
Now if you are referring to the different worlds with respect to the Human Development Index (HDI), then several third world countries would be considered to be close to moving up to Second World. Most of what is considered Third World is situated in Africa and Central to South Asia. read more
"Third World" are all the other countries, today often used to roughly describe the developing countries of Africa, Asia and Latin America.The term Third World includes as well capitalist (e.g., Venezuela) and communist (e.g., North Korea) countries, as very rich (e.g., Saudi Arabia) and very poor (e.g., Mali) countries. read more