The biggest city on the planet gets the best score on the first bid for celebrating Summer Olympic 2016.

http://en.wikipedia.org/wiki/Tokyo
http://www.tokyo2016.or.jp/en/
http://money.cnn.com/magazines/fortune/global500/2007/cities/
http://en.wikipedia.org/wiki/List_of_metropolitan_areas_by_population
http://en.wikipedia.org/wiki/List_of_urban_agglomerations_by_population
http://www.youtube.com/watch?v=dAcBnbj9ylw&feature=related
http://www.youtube.com/watch?v=y1kptbFvKLA
http://www.youtube.com/watch?v=MWVXsI44Yj4&feature=related
http://www.youtube.com/watch?v=OkhPIiP8AOU&feature=PlayList&p=EDF25D150A48C426&index=0&playnext=1

Japan - Tokyo 2016 Olympic bid score 8.3
Spain - Madrid 2016 Olympic bid score 8.1
US - Chicago 2016 Olympic bid score 7.0
Brazil - Rio de Janeiro 2016 Olympic bs 6.4