There are 20 teams in the World Baseball Classic, including the current 2026 edition and the previous 2023 tournament, which both use a 20-team format divided into four pools of five teams each.

How Many Teams Are in the World Baseball Classic?

The World Baseball Classic (WBC) currently features 20 national teams.

This 20-team format was introduced in 2023 (expanded from 16) and has been kept for the 2026 tournament as well.

Quick Scoop

  • Total teams in the WBC: 20.
  • Structure: 4 pools, each with 5 teams (Pools A, B, C, D).
  • Stage: Round-robin group stage, then knockout rounds.
  • First expanded 20-team field: WBC 2023, continued in 2026.

Format at a Glance

The modern WBC setup looks like this:

  • 20 teams total.
  • Split into 4 pools (A, B, C, D).
  • 5 teams per pool, each team plays every other team in its pool once (round-robin).
  • Top 2 from each pool advance to the knockout phase.

This format is designed to bring in more countries while keeping the tournament compact and TV-friendly.

Example: 2026 World Baseball Classic

The 2026 WBC, being played in March 2026, sticks to the 20-team format.

  • 20 national teams are competing.
  • They’re grouped into four pools of five, hosted in San Juan, Houston, Tokyo, and Miami.

This mirrors the expanded structure that debuted in 2023 and proved popular with fans and players.

Mini FAQ

Has the number of teams always been 20?
No. Earlier WBC editions had 16 teams; the field expanded to 20 starting in 2023.

Is the 20-team format still the “latest” setup?
Yes. As of the 2026 tournament, the WBC still uses 20 teams in four pools of five.

TL;DR: If you’re wondering “how many teams are in the World Baseball Classic?” the answer in the current era (2023 and 2026) is 20 teams.

Information gathered from public forums or data available on the internet and portrayed here.