Japan's leading composite and coincident indexes both fell in January from December 2017, while its lagging composite index rose over the period, preliminary data from the Cabinet Office showed March 7.
The leading composite index, which anticipates changes in the economy's direction, fell to 104.8 in January from 106.6 in December 2017.
The coincident index, which indicates the country's current economic state, dropped to 114.0 in January from 119.7 in the previous month. The index was assessed as "improving".
The lagging composite index, which is a measure of turning points and business cycle phases, rose to 119.5 from 119.0.
