| Place: | Belgrade |
| Caption: | Population pyramid of Belgrade (oblast) in 2021 |
| Size Of Population: | 1,166,763 (2011) |
Belgrade is the capital and largest city of Serbia.
Source: Bureau of Statistics of Republic of Serbia, Census 2011[1]
| Ethnicity | Number | Percent | |
| Serbs | 1,505,448 | 90.72% | |
| Romani | 27,325 | 1.65% | |
| Montenegrins | 9,902 | 0.60% | |
| Yugoslavs | 8,061 | 0.49% | |
| Croats | 7,752 | 0.47% | |
| Macedonians | 6,970 | 0.42% | |
| Gorani | 5,328 | 0.33% | |
| Muslims | 3,996 | 0.25% | |
| Slovaks | 2,104 | 0.13% | |
| Hungarians | 1,810 | 0.11% | |
| Slovenes | 1,539 | 0.10% | |
| Bulgarians | 1,489 | 0.09% | |
| Russians | 1,301 | 0.08% | |
| Romanians | 1,282 | 0.08% | |
| Albanians | 1,252 | 0.08% | |
| Bosniaks | 780 | 0.05% | |
| Others | 8,598 | 0.52% | |
| Regional identity | 1,289 | 0.08% | |
| Undeclared | 38,971 | 2.35% | |
| Unknown | 23,728 | 1.40% | |
| TOTAL | 1,659,440 | 100% |
Source: Bureau of Statistics of Republic of Serbia, Census 2011[2]
| Religion | Number | Percent | |
| Eastern Orthodoxy | 1,475,168 | 88.9% | |
| Atheism | 40,657 | 2.4% | |
| Islam | 31,914 | 1.9% | |
| Roman Catholicism | 13,720 | 0.8% | |
| Protestantism | 3,128 | 0.2% | |
| Asian (Buddhism, Hinduism) | 541 | 0.03% | |
| Judaism | 295 | 0.02% | |
| Undeclared | 54,871 | 3.3% | |
| Unknown | 27,684 | 1.6% | |
| TOTAL | 1,659,440 | 100% |