Three straight wins in 2018 World Cup qualifiers helped Argentina return to the summit, five months after they were supplanted by Belgium.
Chile moved up two places from fifth, with Colombia climbing from eighth to fourth and Uruguay moving back into the top 10 as a reward for their strong start to South American qualifying.
Messi brings up 50 as Argentina down Bolivia
Two-time defending European champions Spain drop three places to sixth, with world champions Germany, Brazil, Portugal and England also sliding down one spot.
FIFA Rankings as of April 7:
1. Argentina (+1)
2. Belgium (-1)
3. Chile (+2)
4. Colombia (+4)
5. Germany (-1)
6. Spain (-3)
7. Brazil (-1)
8. Portugal (-1)
9. Uruguay (+2)
10. England (-1)
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ