Definitely Singaporean will still be the richest. 1. Singaporean have innovation and business brain that other SEA country lag of. And Singaporean capital already conquer others ASEAN country long time ago. read more
Note: There was a very similar question a few days ago that I answered but then Quora merged with another very similar *sounding* question about South Asia (which is *not* Southeast Asia), thus making my Southeast Asia answer meaningless to the supposed question. read more
Currently the 13th richest country in the world, Mexico is poised to make a huge leap into the top ten, projected to rise five spots to become the eighth richest country in 2050, rising above France, Canada, Spain, South Korea and Italy. read more
The richest country in South East Asia is Singapore. No other country is even close to that level of individual wealth and national stability. I worked in Singapore four times, Malaysia on the Peninsula three times, Bangkok Thailand and lived in Jakarta Indonesia. Sumtra, Batam, Semarang, Bogor, Surabaya, and and Bali twice. read more