Asia's two biggest economies look to have ended 2009 in a tight race but China, which grew 8.7 percent last year, is soon expected to unseat its neighbour from the position it has held for more than 40 years...

China...reported nominal -- unadjusted for inflation -- gross domestic product (GDP) for 2009 of 33.5 trillion yuan, or 4.9 trillion US dollars at today's exchange rates...

Japan posted nominal GDP of about 505.1 trillion yen, or 5.5 trillion US dollars, in 2008 and its economy is expected to have shrunk by roughly six percent last year, reducing the figure to about 5.2 trillion US dollars...