Caution as economy overtakes Japan's

BEIJING - China still has a long way to go to improve its economy, despite formally overtaking Japan as the world's second largest economy, experts said.

Japan's gross domestic product (GDP) reached $5.47 trillion last year, compared to $5.88 trillion for China, Japan's Cabinet Office said on Monday.

Japan became the world's second largest economy, after the United States, in 1968 on the back of its post-war recovery.