Ranked by city-proper population (latest available estimates ~2020–2023):
| Rank | City | Country | Population |
|---|---|---|---|
| 1 | New York City | USA | 8,804,190 |
| 2 | London | UK | 8,982,000 |
| 3 | Los Angeles | USA | 3,990,456 |
| 4 | Chicago | USA | 2,746,388 |
| 5 | Houston | USA | 2,304,580 |
| 6 | Philadelphia | USA | 1,608,160 |
| 7 | San Antonio | USA | 1,547,206 |
| 8 | Phoenix | USA | 1,660,272 |
| 9 | Dallas | USA | 1,345,146 |
| 10 | San Jose | USA | 1,035,317 |
| 11 | Jacksonville | USA | 949,247 |
| 12 | Indianapolis | USA | 887,642 |
| 13 | San Francisco | USA | 884,363 |
| 14 | Columbus | USA | 898,623 |
| 15 | Fort Worth | USA | 903,717 |
| 16 | Charlotte | USA | 875,579 |
| 17 | Detroit | USA | 672,662 |
| 18 | Memphis | USA | 653,420 |
| 19 | Boston | USA | 675,647 |
| 20 | Seattle | USA | 744,955 |
Notes: Metro populations are larger; Toronto (2.9M), Sydney (5.3M), Melbourne (5.0M) would rank high if included. List uses city-proper boundaries.