The Bank of Japan on Friday raised its view of overseas economies while maintaining unprecedented stimulus launched as part of BOJ Gov. Haruhiko Kuroda's bid to stoke 2 percent inflation in two years.

The central bank will continue to expand the monetary base at a pace of ¥60 trillion to ¥70 trillion per year, it said in a statement, matching the estimates of all 33 economists surveyed by Bloomberg.

A rebound in consumer sentiment and signs of strength in business investment indicate some resilience in the economy after April's hike in the consumption tax.