The People's Republic of China is the second largest economy in the world. In 2011, mainland China's Gross Domestic Product (GDP) reached a total of USD 7.2tn and GDP per capita amounted to USD 5,351, according to data firm Timetric.China is the most populated country in the world with 1.35 billion people in 2011, up 0.48 per cent from the previous year. The urbanisation rate rose to 51.3 per cent in 2011, the first time in history the figure has been above 50 per cent. China is also the second largest country by territory (9.6Msqkm). This urbanisation is driving the need for underground infrastructure.
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