Copa América usually has 12 teams , but the 2024 edition had 16 teams. UEFA Euro has 24 teams in the modern format.

Quick scoop

  • Copa América: normally 12 teams, with some editions expanded to 16.
  • UEFA Euro: 24 teams.

Simple comparison

Tournament| Usual team count
---|---
Copa América| 12, though 16 in 2024 14
UEFA Euro| 24 2

In plain words

So, UEFA Euro has more teams than Copa América in the standard current format. Copa América is smaller most years because it is mainly built around CONMEBOL nations, while Euro includes a much larger field from across Europe.

TL;DR: Copa América = 12 usually, 16 in 2024; UEFA Euro = 24.