Politicians segregate themselves and their following into "parties". Most countries in IB have some form of representative government, even the many monarchies. Following is a list of countries and the parties they express.
- New South Cambria: Labour Party, Liberal Party, National Party, Ecotopic Party, Democratic Party.
- Egypt National Republican Party, Khedive's Party
- Federated Kingdoms
- Japan, see Japanese Politics
- New Francy, see Political Life In New-Francy
- North American League: Progressive Conservative Party; Whig Party; Covenant Loyalist Party, Adullamite Republican Party; Democratic Socialist Party; Conservative Party; Unionist Party; Green Carnation Party
- Oltenia Voivode Party; Socialist Union; Conservative League
- Xliponia: Loyalist Party; Liberal Party; almost a dozen minor parties