World pays attention to changes in China

With China's political season underway, the world is paying attention to changes in China.

According to big data services, of 104 countries, Asian nations pay the closest attention. Russia, South Korea and Thailand pay the most attention not only because of geological closeness, but increasing trade and exchange relations.

China-Russia trade in natural gas soared to $400 billion in 2014. Chinese tourists to South Korea topped 6.1 million. Bilateral trade with Europe went up 238% last year.

The top five issues they are concerned about are international relations, economic growth, anti-graft campaign, reforms and tackling pollution.