Final answer:
Brazil and Vietnam are the first two largest green coffee producers in the world.
Step-by-step explanation:
The first two largest green coffee producers in the world are Brazil and Vietnam. According to Statistica.com, Brazil is the largest producer, consistently producing more coffee beans than any other country. Vietnam is the second-largest producer, with a significant increase in coffee production in recent years. Both countries have favorable climates and a long history of coffee cultivation.