The Tokyo Metropolitan Government confirmed 166 new COVID-19 infections on Sunday, marking the first decline since rewriting its single-day record for four consecutive days.

The new figure brings cumulative infections in the capital to 2,068, according to metropolitan government data. Tokyo set a singleday record of 197 on Saturday.

Nationwide, 447 new infections were logged in 30 prefectures as of Sunday evening, bringing Japan's total to 7,370 with 136 deaths, excluding the 712 cases and 12 deaths linked to the Diamond Princess cruise ship, NHK reported.

Tokyo remains in a state of emergency with six other prefectures and is trying to reduce person-to-person contact by 80 percent to contain the pandemic.