Tokyo's estimated population grew to a record 12.24 million people as of May 1, up about 110,000 from a year earlier, the Tokyo Metropolitan Government said Monday.

The figure was up about 60,000 from April, according to the metropolitan government, citing the results of a survey adjusted monthly for population changes and based on the results of the national census as of Oct. 1.

Tokyo's population accounts for nearly 10 percent of the nation's population, estimated at 127.29 million as of October.