Tokyo's Nikkei 225 index gained 0.3% to 40,074.87 after the central bank raised its benchmark rate to about 0.5% from 0.25%, as widely expected. It is the highest level for the rate since 2008, as the Bank of Japan shifts out of a long spell of extreme low interest rates meant to spur more borrowing and spending.

World shares advanced Friday after U.S. stocks rose to a record and the Bank of Japan raised its key lending rate.

The Bank of Japan raised interest rates on Friday to their highest since the 2008 global financial crisis and revised up its inflation forecasts, underscoring its confidence that rising wages will keep inflation stable around its 2% target.