The highest banana-producing countries in the world are primarily located in tropical and subtropical regions. 

1. India is the largest producer of bananas in the world, contributing significantly to the global banana supply.
2. China is another major producer, with substantial banana cultivation.
3. Indonesia has a significant banana production industry.
4. Brazil is one of the top banana producers in the Americas.
5. The Philippines is a major exporter of bananas, especially to Asian and Middle Eastern markets.
6. Ecuador is the largest exporter of bananas globally, with a vast industry dedicated to banana cultivation.
7. Guatemala is also a leading exporter, especially to North American markets.
8. Thailand produces a significant amount of bananas, both for domestic consumption and export.
9. Vietnam has a growing banana industry.
10. Mexico is a significant producer, particularly for its domestic market and export to the United States.