Table 2. The 25 most central cities in the worldwide air transportation network
Rank City bb/bran Degree
1 Paris 58.8 1.2 250
2 Anchorage* 55.2 16.7 39
3 London 54.7 1.2 242
4 Singapore* 47.5 4.3 92
5 New York 47.2 1.6 179
6 Los Angeles 44.8 2.3 133
7 Port Moresby* 43.4 13.6 38
8 Frankfurt 41.5 0.9 237
9 Tokyo 39.1 2.7 111
10 Moscow 34.5 1.1 186
11 Seattle* 34.3 3.3 89
12 Hong Kong* 30.8 2.6 98
13 Chicago 28.8 1.0 184
14 Toronto 27.1 1.8 116
15 Buenos Aires* 26.9 3.2 76
16 São Paulo* 26.5 2.8 82
17 Amsterdam 25.9 0.8 192
18 Melbourne* 25.5 4.5 58
19 Johannesburg* 25.4 2.6 84
20 Manila* 24.4 3.5 67
21 Seoul* 24.3 2.1 95
22 Sydney* 23.1 3.2 70
23 Bangkok* 22.9 1.8 102
24 Honolulu* 21.1 4.4 51
25 Miami* 20.1 1.4 110
  • Cities are ordered according to their normalized betweenness. We also show the ratio of the actual betweenness of the cities to the betweenness that they have after randomizing the network.

  • * These cities are not among the 25 most connected.