The IBGE (Brazilian institute of geo Statistics) released the numbers for the Brazilian air traffic, which shows a high degree of concentration of close to 50% in only 24 city pairs.
Just the traffic from Sao Paulo to six other metropolitan areas (Rio, Brasilia, Porto Alegre, Salvador, Belo Horizonte, Curitiba) was responsible for over 25% of all passengers. Here are the numbers:
24 city pairs with largest number of passengers for 2010 in Brazil
São Paulo/Rio de Janeiro – 5.680.873 passengers
São Paulo/Brasília – 3.006.422 passengers
São Paulo/Porto Alegre – 2.619.204 passengers
São Paulo/Salvador – 2.270.250 passengers
São Paulo/Belo Horizonte – 2.239.153 passengers
São Paulo/Curitiba – 2.236.264 passengers
Rio de Janeiro/Brasília – 1.760.321 passengers
São Paulo/Recife – 1.574.592 passengers
São Paulo/Florianópolis – 1.365.686 passengers
Rio de Janeiro/Salvador – 1.224.394 passengers
Rio de Janeiro/Belo Horizonte – 1.147.735 passengers
São Paulo/Fortaleza – 1.141.440 passengers
Rio de Janeiro/Porto Alegre – 1.018.711 passengers
Brasília/Belo Horizonte – 941.428 passengers
São Paulo/Goiânia – 930.819 passengers
São Paulo/Vitória – 811.261 passengers
Rio de Janeiro/Recife – 795.867 passengers
Rio de Janeiro/Vitória – 787.633 passengers
Rio de Janeiro/Campinas – 774.535 passengers
Brasília/Salvador – 726.530 passengers
Rio de Janeiro/Curitiba – 692.148 passengers
São Paulo/Natal – 686.289 passengers
Brasília Fortaleza – 677.947 passengers
Salvador/Recife – 650.344 passengers
