Sorry to disappoint: This option has been destroyed by our Chinese friends who misused the SRRV-visa for employment in the "offshore"-casino industry.Philippines also has a retirement visa for people aged between 35 and 50, but I am not sure if it's still active or as desirable.
So, the Philippines suspended the entire SRRV-program (Special Resident Retirees Visa) for about 18 months and now it is only open to people who are at least 50 years old.
If somebody has entrepreneurial spirit he/she can look into the SIRV-program (Special Investors Resident Visa). One has to invest USD 75'000.- into the local Philippine economy which in turn qualifies to apply for this visa. Minimum age for the SIRV is 21 years.