The Federated States of Micronesia joined the United Nations on September 17, 1991, five years after obtaining its independence from the United States of America.

Micronesia is bound by a Compact of Free Association with the United States, which provides it with "substantial financial support".

The motion at the United Nations was supported by 191 member states, with two votes against (the United States and Israel) and no country abstaining.

[5] In December 2017, Micronesia was one of just nine countries (including the United States and Israel) to vote against a motion adopted by the United Nations General Assembly condemning the United States' recognition of Jerusalem as the capital of Israel.

[6] Micronesia's priority within the United Nations is to highlight issues relating to climate change, and its impact on small island states.