DiploMaps · the diplomatic atlas of the world

Mercosur

Southern Common Market

Updated 7 November 2026

South America's principal trade bloc — a customs union anchored by Brazil and Argentina, with Bolivia acceding and Venezuela suspended.

Key facts

Founded
1991
Headquarters
Montevideo, Uruguay
Members
5 states
Chair
Uruguay
Next summit
December 2026Uruguay
Last summit
30 June 2026Luque, Paraguay
The UAE
Special guest at 68th Summit (June 2026); trade agreement under negotiation since 2024
UAE trade with members (2025)
$7.4 billion

Member states