They're not unilaterally recognized by a sovereign nation, including one of the big players in the United Nations (Russia), meaning that Russia has the power to block their admittance into the UN.
There are only three countries on the list of countries that do not belong to the UN. Those three countries are Kosovo, Vatican City, and Taiwan.
Kosovo
Kosovo and vatican city
Kosovo
Kosovo
Kosovo is currently a self-declared independent country. However, Serbia still lays claim to it and only around half of the world's nations have recognized Kosovo.
Kosovo. Kosovo is its own country ! The capital of Kosovo is Phrishtina. Kosovo is not its own country. It has yet to have enough recognition. Only 75/195 members of the UN recognize Kosovo's sovereignty, and you need at least half, which would be 97 or 98.
Kosovo declared independence from Serbia on on February 17, 2008 but has not gained complete international recognition to allow it to become a member of the United Nations.
For more detailed answers see: Bosnia/Kosovo
the esmee country
3 countries out of 196 countries. These are Taiwan, Holy See and Kosovo
The UN headquarters and the land it is situated on, belong to the state of New York. The area is rented to the United Nations.