The growth was sharply higher compared with Reuters-polled analysts' average estimate of 1.7%, and against the 1.3% in the previous quarter.
Japan's economy grew an annualised 2.1% in the first quarter, government data showed on Tuesday, compared with the median market forecast for a 1.7% gain.
Japan's economy expands at a 2.1% annual pace, boosted by consumer spending - Japan has reported its economy expanded at an annualized rate of 2.1% in the January-March quarter ...