What a Shame!

Top metropolitan areas of the world		Busiest metro systems in the world
Tokyo (Greater Tokyo Area) 35.2 million		Moscow Metro 3.2 billion
Mexico City (Greater Mexico City) 19 million		Tokyo Metro 2.7 billion
New York City, (New York metropotdtan area) 18.4 million		Seoul Subway 1.6 billion
Mumbai (Bombay), India 18.3 million		Mexico City Metro 1.3 billion
São Paulo, Brazil 18.3 million		New York City Subway 1.3 billion
Delhi, India 15.3 million		Paris Metro 1.2 billion
Kolkata (Calcutta), India 14.2 million		London Underground 976 million (2005)
Buenos Aires, Argentina 13.3 million		Osaka Municipal Subway 957 million
Jakarta, Indonesia 13.1 million		Hong Kong MTR 798 million
Shanghai, PRC 12.6 million		Saint Petersburg Metro 784 million

Source:
Wikipedia

What a shame! World's most populous countries India and China (excluding Hong Kong) don not have a metro system that rank among the ten. Imagine the cutback in pollution and fuel usage with better public transportation systems in these parts of the world!