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 189 national parliaments in the world, 82 are bicameral (164 chambers) and 107 are unicameral, making a total of 271 chambers of parliament with nearly 45,000 members of parliament. IPU membership is made up of 184 national parliaments. Discover the world's national parliaments here.