The Tokyo Metropolitan Government reported 487 new cases of coronavirus infection in the capital on Wednesday, down 256 from a week ago.
This marks the 20th straight day of week-on-week decline in the daily tally.
Tokyo's total number of coronavirus infections now stands at 161,913.
The officials also reported 13 new deaths on Wednesday.
They said the number of patients in serious condition in the capital is 73, up three from Tuesday.