Chinese household savings reached almost 25% of GDP in 2008, helping finance investment of an unprecedented 40% of GDP.

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China currently spends 12% of GDP on infrastructure - compared with Britain's 5% at the peak of the railway mania in 1840s.

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The state-owned Indian Railways is the world’s largest commercial employer with 1.4 million staff.

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There are up to 4.2m CCTV cameras in Britain - about one for every 14 people.

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