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Mathematics

Comparative analysis of presidential veto powers across regimes

Quick fact

In the United States, a presidential veto can be overridden by a two-thirds majority in both chambers; in contrast, in some parliamentary systems, the head of state's veto is purely ceremonial and can be overridden by a simple majority.

Why this is interesting

You may think a president's veto is a powerful tool to block legislation, but in some countries, it's almost useless. Why does veto power vary so dramatically across regimes?