The Tokyo Metropolitan Government reported 1,600 new cases of coronavirus in the capital on Friday.
The daily tally is down 511 from a week ago and marks the 28th straight day of week-on-week decline.
The seven-day average through Friday stands at 1,697, which is 77.6 percent of the figure a week ago.
Tokyo officials confirmed three deaths from the virus.
The officials say the number of seriously ill patients on ventilators or ECMO heart-lung machines stood at four, up two from Thursday.