The Lions moved up the rankings for the first time in months after a strong showing in the June friendlies under Bernd Stange
A 5-2 away win against Laos and a 2-0 defeat of Myanmar also away from home has given the Lions their biggest push up the rankings in months, and away from the record low of previous rankings.
Singapore are still only ranked 30th in the AFC region, behind the likes of Maldives, Bangladesh, India and Hong Kong.
Malaysia are three spots below at 159th and are the fifth highest team in Asean behind Thailand, Philippines, Vietnam and 2012 AFF Champions Singapore.
Japan are the highest ranked Asian team despite dropping five spots to 37th with Australia the next highest at 40th, taking over from South Korea who fell three spots. The highest mover for Asia was Iran who leaped a massive 15 spots to be the fourth highest team in AFC.
Meanwhile, defeated Confederations Cup finalists Spain remained at the top of the rankings with Germany, Colombia, Argentina and Netherlands rounding off the top 5. Brazil are ninth having moved 13 places while England drop out of the top 10 to 15th place.