Bloomberg ranked global cities based on the A.T. Kearney Global Cities Index score.
Cities were scored on a scale of zero to 100 according to 26 metrics in five dimensions. Business activity was measured by the number of headquarters of major global corporations, the number of locations of top business services firms, the value of a city's capital markets, the number of international conferences held in the city and the flow of goods through ports and airports (weighting: 30%). Human capital was measured by a city's ability to attract talent based on the size of the foreign-born population, quality of universities, number of international schools, international student population and number of residents with university degrees (weighting: 30%). Information exchange was measured by how well news and information circulate within and outside the city based on accessibility to major television news channels, Internet presence, including the robustness of results when searching for the city name in major languages, the number of international news bureaus, freedom of expression and the broadband subscriber rate (weighting: 15%). Cultural experience was measured by the number of diverse attractions in the city, including the number of major sporting events a city hosts, the number of museums, performing-arts venues and culinary establishments, the number of international travelers and the number of sister-city relationships (weighting: 15%). Political engagement was measured by how a city influences global policy dialogue based on the number of embassies and consulates, major think tanks, international organizations and local institutions with international reach that reside in the city, as well as the number of political conferences a city hosts (weighting: 10%). The scores displayed were rounded; ranks were determined by unrounded scores.