Who is better Mexico or el salvador?

Answer 1

Mexico is, as the statistics speak for themselves:

• 27-03-35: Mexico 8-1 El Salvador
• 18-02-38: Mexico 6-0 El Salvador
• 28-03-65: Mexico 2-0 El Salvador
• 07-06-70: Mexico 4-0 El Salvador
• 12-10-77: Mexico 3-1 El Salvador
• 15-02-78: Mexico 5-1 El Salvador
• 06-11-81: El Salvador 1-0 Mexico
• 04-04-93: El Salvador 2-1 Mexico
• 18-04-93: Mexico 3-1 El Salvador
• 08-06-97: Mexico 1-0 El Salvador
• 05-10-97: Mexico 5-0 El Salvador
• 19-06-02: Mexico 1-0 El Salvador

Answer 2

Mexico is far better, as they have been to more world cups.