Customs union
Southern Common Market (Mercosur)
A customs union founded by Argentina, Brazil, Paraguay and Uruguay; Bolivia completed its accession in 2024 and is adopting the bloc’s rules over a transition period. Venezuela is suspended.
- Abbreviation
- Mercosur
- Status
- In force
- Type
- Customs union
- Scope
- Goods and services
- Signed
- Mar 1991
- In force since
- Nov 1991
- Member countries
- 5