The number of new condominiums put on sale in the Tokyo metropolitan area in May increased 7.1 percent from a year earlier to 3,779 units, up for the fourth month in a row, a research agency said Tuesday.

Of the total supply in Tokyo and Kanagawa, Saitama and Chiba prefectures, 77.0 percent of the units found buyers, up 6.4 percentage points from a year before, according to the Real Estate Economic Institute.

In the greater Osaka area, new condo supply totaled 1,763 units, up 24.9 percent from a year earlier. Of those condos, 76.0 percent found buyers, up 11.5 points from a year before.