Japan's health ministry says it confirmed 9,186 new cases of the coronavirus in Tokyo on Sunday, down 6,218 from a week ago.
The daily tally has marked a week-on-week decline for five straight days.
The ministry also reported 24 deaths in the capital.
The number of seriously ill patients on ventilators or ECMO heart-lung machines was 45, down one from Saturday.
Nationwide, 86,924 new infections and 247 deaths were confirmed on Sunday.