The economy's expansion may slow toward the end of this year after getting a temporary boost in the third quarter as a surging yen crimps exports and fading stimulus measures force consumers to pare outlays.
Gross domestic product grew at an annualized 2.5 percent in the three months that ended Sept. 30, following a 1.5 percent expansion in the previous quarter, according to the median forecast of 21 economists. The Cabinet Office will release the report Monday.
Third-quarter growth driven by consumer spending will be followed by an economic contraction this quarter, analysts including Yoshiki Shinke forecast. That may increase pressure on Bank of Japan Gov. Masaaki Shirakawa to buy more assets to support growth and beat deflation.