Impact
The IPU facilitates parliamentary diplomacy and empowers parliaments and parliamentarians to promote peace, democracy and sustainable development around the world.
Nearly every country in the world has some form of parliament. Parliamentary systems fall into two categories: bicameral and unicameral. Out of 188 national parliaments in the world, 81 are bicameral (162 chambers) and 107 are unicameral, making a total of 269 chambers of parliament with some 44,000 members of parliament. IPU membership is made up of 183 national parliaments. Discover the world's national parliaments here.