Template:ICC member states

, 123 states are, including all the countries of South America, nearly all of Europe, most of Oceania and roughly half of Africa. and the were member states, but later withdrew effective 27 October 2017 and 17 March 2019, respectively. A further 31 countries have signed but not the Rome Statute. The obliges these states to refrain from "acts which would defeat the object and purpose" of the treaty until they declare they do not intend to become a party to the treaty. Four signatory states—Israel, Sudan, the and Russia—have informed the UN Secretary General that they no longer intend to become states parties and, as such, have no legal obligations arising from their signature of the Statute.

Forty-one additional states have neither signed nor acceded to the Rome Statute. Some of them, including and, are critical of the Court. Ukraine, a non-ratifying signatory, has accepted the Court's jurisdiction for a period starting in 2013.