Marseille birnin kasar Faransa ce. A cikin birnin Marseille akwai mutane 1,743,990 a kidayar shekarar 2014.
Tare da ƙauyuka da ƙauyukanta, yankin Marseille, wanda ya wuce 3,972 km2 (1,534 sq mi), yana da yawan jama'a 1,879,601 a ƙidayar Janairu 2020, na uku mafi yawan jama'a a Faransa bayan na Paris da Lyon . Biranen Marseille, Aix-en-Provence, da kuma gundumomi 90 na kewayen birni sun kafu tun daga 2016 Aix-Marseille-Provence Metropolis, wata hukuma da aka zaba a kaikaice wacce ke da alhakin manyan batutuwan birni, tare da yawan jama'a 1,903,173 a Janairu 2020. ƙidayar jama'a .