The Tokyo Metropolitan Government said it confirmed 9,635 new cases of the coronavirus on Sunday.
The figure decreased 6,199 from a week ago, marking 14 straight days of week-on-week decline.
The seven-day average stood at 12,655, which was 65 percent of the figure for the previous week.
The number of seriously ill patients who are on ventilators or ECMO heart-lung machines rose by three from Saturday to 35.
Tokyo officials also confirmed 31 deaths.