List of cities by GDP

This article may be confusing or unclear to readers. In particular, Varying definitions of 'city' across countries and time make the data nearly unusable for comparison. The list should focus on sources with consistent definitions, excluding others.. Please help clarify the article. There might be a discussion about this on the talk page. (October 2024) (Learn how and when to remove this message)

This is a list of cities in the world by nominal gross domestic product (GDP). The United Nations uses three definitions for what constitutes a city, as not all cities may be classified using the same criteria. Cities may be defined as the cities proper, the extent of their urban area, or their metropolitan regions.^[1] The methodology of calculating GDP may differ between the studies and are widely based on projections and sometimes approximate estimations, notably for cities that are not within the Organisation for Economic Co-operation and Development. Refer to sources for more information. Click on the headers to reorganize columns.