Japan's leading composite index, which anticipates changes in the direction of the economy, was up to 106.3 in June from 104.7 in May, preliminary Cabinet Office of Japan figures showed.
The coincident index, which shows the current state of the economy, also rose to 117.2 in the month from 115.8 in May.
The lagging composite index, which is used to confirm turning points and business cycle phases, was also up at 118.1 in June from 116.4 previously.