The International Monetary Fund on Wednesday lifted sharply its growth projection for the Japanese economy to 2.4 percent for 2010, up from 1.9 percent in its April forecast, while revising upward its growth outlook for the world economy by 0.4 percentage point to 4.6 percent this year.
As for 2011, however, the IMF's revised World Economic Outlook report trimmed its growth estimate for the Japanese economy to 1.8 percent, compared with 2.0 percent in its April projection.
The updated report left its global growth estimate for 2011 unchanged at 4.3 percent.
The IMF said stronger-than-expected exports in the first half of 2010 are largely attributable to the upward revision of Japan's economic outlook.