Organizations

Mercosur

Which countries are in Mercosur? 5 member countries in the Magna Factbook, ranked by Magna Power.

Last updated: October 2026

Member countries (5)

#	Country	Power
1	Brazil	68.58/100
2	Argentina	60.77/100
3	Paraguay	52.62/100
4	Bolivia	50.91/100
5	Uruguay	50.45/100

Other organizations

CICA CP ECO EITI FAO G-77 IAEA IBRD ICAO ICC ICCt ICRM

Across the Bureau

ABEDA — Member Countries ACP — Member Countries ACS — Member Countries Afghanistan — Country Profile Albania — Country Profile Algeria — Country Profile

Mercosur has 5 member countries, ranked by national power. The strongest members are Brazil, Argentina, and Paraguay. The Bureau lists every member with its power score, from the most powerful to the least. Membership reflects the Factbook's country coverage as of October 2026.

Frequently asked questions

What is Mercosur?

Mercosur is an international organization with 5 member countries listed in Magna Bureau Factbook, ranked by national power.

Which countries are members of Mercosur?

The member countries of Mercosur are Brazil, Argentina, Paraguay, Bolivia, Uruguay.