Every country in the world has some form of parliament. Parliamentary systems fall into two categories: bicameral and unicameral. Out of 193 countries in the world, 79 are bicameral and 114 are unicameral, making a total of 272 chambers of parliament with over 46,000 members of parliament. IPU membership is made up of 179 national parliaments. Discover the world's national
The 141st Assembly of the IPU will take place in Belgrade, Serbia, from 13-17 October 2019. All IPU statutory bodies, including the Governing Council, Standing Committees, Committees on the Human Rights of Parliamentarians as well as the Forum of Women
The IPU has been collecting data on parliaments since its inception in 1889, including information on women’s participation in politics since 1945. In this section, discover the IPU's knowledge bank for and about parliaments.