Saina, the first Indian woman badminton player to be world number one, dropped two spots and is placed below Spaniard Carolina Marin (80752), who rose a rung courtesy her Australian Open title triumph.
The Indian has 79192 points in her kitty.
Olympic champion Li Xuerui claimed the top spot, going up a place with 85217 points.
In men’s singles, Kidambi Srikanth was the highest-placed Indian, climbing a position to third with 67157 points.
He is placed ahead of Chinese star Lin Dan, who has slipped a couple of positions.
Commonwealth Games champion Parupalli Kashyap is the next best Indian at 12th, followed by H S Prannoy at 13th.
In the women’s doubles list, Jwala Gutta and Ashwini Ponnappa went up a place to be ranked 17th.
PTI