| Source | UN (World Urbanization Prospects 2025) |
| Date | 09 Feb 2026 |
| Code | City | Population | Share (%) | Rank | Change | |||
|---|---|---|---|---|---|---|---|---|
| 2025 | 2026 | France | World | Population | (%) | |||
| Pari | Paris | 9,381,921 | 9,380,592 | 14.1 | 1 | 36 | -1,329 | -0.01 |
| Lyon | Lyon | 1,202,985 | 1,205,927 | 1.81 | 2 | 430 | 2,942 | 0.24 |
| Mars | Marseille | 891,463 | 903,223 | 1.36 | 3 | 576 | 11,760 | 1.32 |
| Lill | Lille | 893,282 | 891,086 | 1.34 | 4 | 586 | -2,196 | -0.25 |
| Toul | Toulouse | 642,224 | 644,510 | 0.967 | 5 | 844 | 2,286 | 0.36 |
| Bord | Bordeaux | 631,551 | 633,764 | 0.951 | 6 | 858 | 2,213 | 0.35 |
| Nant | Nantes | 453,523 | 454,361 | 0.682 | 7 | 1241 | 838 | 0.18 |
| Nice | Nice | 418,294 | 419,421 | 0.629 | 8 | 1357 | 1,127 | 0.27 |
| Stra | Strasbourg | 398,175 | 397,891 | 0.597 | 9 | 1441 | -284 | -0.07 |
| Gren | Grenoble | 359,128 | 360,285 | 0.541 | 10 | 1601 | 1,157 | 0.32 |
| Mont | Montpellier | 324,059 | 324,747 | 0.487 | 11 | 1783 | 688 | 0.21 |
| Roue | Rouen | 311,071 | 312,711 | 0.469 | 12 | 1855 | 1,640 | 0.53 |
| Toul | Toulon | 298,777 | 300,796 | 0.451 | 13 | 1940 | 2,019 | 0.68 |
| Renn | Rennes | 248,187 | 249,341 | 0.374 | 14 | 2373 | 1,154 | 0.46 |
| Cerg | Cergy | 236,261 | 236,302 | 0.355 | 15 | 2511 | 41 | 0.02 |
| Cann | Cannes | 221,928 | 222,804 | 0.334 | 16 | 2679 | 876 | 0.39 |
| Tour | Tours | 215,625 | 216,055 | 0.324 | 17 | 2768 | 430 | 0.20 |
| Nanc | Nancy | 208,941 | 208,783 | 0.313 | 18 | 2893 | -158 | -0.08 |
| Maur | Maurepas | 206,195 | 206,247 | 0.309 | 19 | 2923 | 52 | 0.03 |
| Orlé | Orléans | 205,657 | 205,663 | 0.309 | 20 | 2930 | 6 | 0.00 |
| Dijo | Dijon | 198,697 | 198,543 | 0.298 | 21 | 3050 | -154 | -0.08 |
| Cler | Clermont-Ferrand | 188,912 | 189,220 | 0.284 | 22 | 3220 | 308 | 0.16 |
| Reim | Reims | 187,382 | 187,369 | 0.281 | 23 | 3257 | -13 | -0.01 |
| Sain | Saint-Étienne | 180,046 | 180,730 | 0.271 | 24 | 3373 | 684 | 0.38 |
| Mulh | Mulhouse | 168,612 | 168,483 | 0.253 | 25 | 3629 | -129 | -0.08 |
| Le H | Le Havre | 164,264 | 164,252 | 0.246 | 26 | 3723 | -12 | -0.01 |
| Lens | Lens | 163,847 | 162,542 | 0.244 | 27 | 3767 | -1,305 | -0.80 |
| Ange | Angers | 158,964 | 159,261 | 0.239 | 28 | 3852 | 297 | 0.19 |
| Caen | Caen | 146,613 | 146,617 | 0.220 | 29 | 4202 | 4 | 0.00 |
| Le M | Le Mans | 145,741 | 146,013 | 0.219 | 30 | 4226 | 272 | 0.19 |
| Metz | Metz | 138,743 | 138,640 | 0.208 | 31 | 4446 | -103 | -0.07 |
| Bres | Brest | 133,261 | 133,570 | 0.200 | 32 | 4619 | 309 | 0.23 |
| Nime | Nimes | 132,710 | 132,974 | 0.200 | 33 | 4641 | 264 | 0.20 |
| Anne | Annecy | 125,595 | 125,902 | 0.189 | 34 | 4916 | 307 | 0.24 |
| Perp | Perpignan | 119,918 | 120,071 | 0.180 | 35 | 5183 | 153 | 0.13 |
| Limo | Limoges | 111,188 | 111,679 | 0.168 | 36 | 5593 | 491 | 0.44 |
| Amie | Amiens | 107,741 | 108,303 | 0.162 | 37 | 5769 | 562 | 0.52 |
| Besa | Besançon | 104,127 | 104,048 | 0.156 | 38 | 6021 | -79 | -0.08 |
| Pau | Pau | 101,291 | 101,714 | 0.153 | 39 | 6147 | 423 | 0.42 |
| Bayo | Bayonne | 96,336 | 100,996 | 0.152 | 40 | 6189 | 4,660 | 4.84 |
| Troy | Troyes | 100,862 | 100,839 | 0.151 | 41 | 6206 | -23 | -0.02 |