Demographic history of Bulgaria
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This article presents the demographic history of Bulgaria. See Demographics of Bulgaria
| Religion | Number | % |
|---|---|---|
| Orthodox | 1,404,409 | 69.9 |
| Muslim | 578,060 | 28.7 |
| Judaism | 14,342 | 0.7 |
| Other | 11,108 | 0.5 |
| Total | 2,007,919 | 100 |
| Language | Number | % |
|---|---|---|
| Bulgarian | 1,345,507 | 67.0 |
| Turkish | 527,284 | 26.2 |
| "Vlach" (Aromanian and Romanian) | 49,064 | 2.4 |
| Roma | 37,600 | 1.8 |
| Ladino | 14,020 | 0.7 |
| Tatar | 12,376 | 0.6 |
| Greek | 11,152 | 0.6 |
| Armenian | 3,837 | 0.2 |
| Serbo-Croatian | 1,894 | 0.1 |
| Yaddish | 1,280 | 0.1 |
| Russian | 1,123 | 0.1 |
| Albanian | 530 | 0.0 |
| Italian | 515 | 0.0 |
| Hungarian | 220 | 0.0 |
| Czech | 174 | 0.0 |
| French | 164 | 0.0 |
| Arab | 97 | 0.0 |
| Polish | 92 | 0.0 |
| English | 64 | 0.0 |
| Circassian | 63 | 0.0 |
| Persian | 58 | 0.0 |
| Others | 402 | 0.0 |
| Total | 2,007,919 | 100 |
31 December 1887 census
| Religion | Number | % |
|---|---|---|
| Orthodox | 2,242,371 | 76.8 |
| Muslim | 676,215 | 21.4 |
| Judaism | 24,352 | 0.7 |
| Roman Catholic | 18,505 | 0.5 |
| Armenian Gregorian | 5,839 | 0.1 |
| Protestant | 1,358 | 0.0 |
| Other | 1,461 | 0.0 |
| Undeclared | 2,274 | 0.0 |
| Total | 3,154,375 | 100 |

| Language | Number | % |
|---|---|---|
| Bulgarian | 2,326,250 | 73.7 |
| Turkish | 607,331 | 19.3 |
| Greek | 58,326 | 1.8 |
| Roma | 50,291 | 1.6 |
| Other | ||
| Total | 3,154,375 | 100 |
31 December 1892 census
| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 2,505,243 | 75.66 |
| Turks | 558,364 | 16.86 |
| Romanians | 62,227 | 1.87 |
| Greeks | 58,296 | 1.76 |
| Romani | 51,946 | 1.56 |
| Jews | 21,777 | 0.83 |
| Tatars | 16,179 | 0.48 |
| Gagauzes | 9,520 | 0.28 |
| Armenians | 6,900 | 0.20 |
| "Vlachs" (Aromanians, Romanians, Romanian-speaking Boyash) | 733 | 0.02 |
| Others | 13,616 | 0.41 |
| Total | 3,310,810 | 100 |
| Religion | Number | % |
|---|---|---|
| Orthodox | 2,606,786 | 78.7 |
| Muslim | 643,258 | 19.4 |
| Jewish | 28,307 | 0.8 |
| Roman Catholic | 22,617 | 0.6 |
| Armenian Grecorian | 6,643 | 0.2 |
| Protestant | 2,384 | 0.0 |
| Undeclared | 718 | 0.0 |
| Total | 3,310,713 | 100 |
| Language | Number | % |
|---|---|---|
| Bulgarian | 2,505,326 | 75.7 |
| Turkish | 569,728 | 17.2 |
| Romanian | 62,628 | 1.9 |
| Greek | 58,518 | 1.8 |
| Roma | 52,132 | 1.6 |
| Ladino | 27,531 | 0.8 |
| Tatar | 16,920 | 0.5 |
| Armenian | 6,445 | 0.2 |
| German | 3,620 | 0.1 |
| Russian | 928 | 0.0 |
| Serbian | 818 | 0.0 |
| Italian | 803 | 0.0 |
| French | 356 | 0.0 |
| Others | 4,425 | 0.1 |
| Undeclared | 1,165 | 0.0 |
| Total | 3,310,713 | 100 |
31 December 1900 census

| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 2,888,129 | 77.1 |
| Turks | 531,240 | 14.2 |
| Romani | 89,549 | 2.4 |
| Romanians | 71,063 | 1.9 |
| Greeks | 66,635 | 1.8 |
| Jews | 33,661 | 0.9 |
| Tatars | 19,884 | 0.5 |
| Armenians | 14,581 | 0.4 |
| Russians | 1,685 | 0.0 |
| Total | 3,744,283 | 100 |
| Religion | Number | % |
|---|---|---|
| Orthodox | 3,019,999 | 80.6 |
| Muslim | 643,300 | 17.1 |
| Judaism | 33,663 | 0.8 |
| Roman Catholic | 28,569 | 0.7 |
| Armenian Grecorian | 13,809 | 0.3 |
| Protestant | 4,524 | 0.1 |
| Others | 326 | 0.0 |
| Undeclared | 93 | 0.0 |
| Total | 3,744,283 | 100 |
31 December 1905 census
31 December 1910 census
| Ethnic groups | Numbers | % |
|---|---|---|
| Bulgarians | 3,518,756 | 81.1 |
| Turks | 465,641 | 10.7 |
| Romani | 122,296 | 2.8 |
| Romanians | 79,429 | 1.8 |
| Greeks | 43,275 | 1.0 |
| Jews | 40,133 | 0.9 |
| Tatars | 18,228 | 0.4 |
| Armenians | 12,932 | 0.3 |
| Sarakatsani | 7,251 | 0.2 |
| Russians | 2,505 | 0.2 |
| Total | 4,337,513 | 100 |
| Religion | Number | % |
|---|---|---|
| Orthodox | 3,643,918 | 84.0 |
| Muslim | 602,078 | 13.8 |
| Judaism | 40,067 | 0.9 |
| Roman Catholic | 32,150 | 0.7 |
| Armenian Grecorian | 12,259 | 0.2 |
| Protestant | 6,335 | 0.1 |
| Other/Undeclared | 706 | 0.0 |
| Total | 4,337,513 | 100 |
31 December 1920 census
| Ethnic groups | Numbers | % |
|---|---|---|
| Bulgarians | 4,036,056 | 83.3 |
| Turks | 520,339 | 10.7 |
| Romani | 98,451 | 2.0 |
| Romanians | 57,312 | 1.2 |
| Jews | 43,209 | 0.9 |
| Greeks | 42,074 | 0.9 |
| Armenians | 11,509 | 0.2 |
| Russians | 9,080 | 0.2 |
| Total | 4,846,971 | 100 |
1. During the period 1910 - 1920 Bulgaria suffered physical loss of population as follows:
- About 140,000 died in the wars (Balkan War I, Balkan War II, World War I), mostly of reproductive age;
- About 276,000 people in Southern Dobruja, who cross into Romania, and more on the western outskirts, who cross into Serbia.
2. During the period 1910 - 1920 the population growth in Bulgaria was as follows:
- It is estimated that about 350,000 refugees were sent to Bulgaria, losing territories during the Balkan War ll and the World War I. It is known, however, that a large part of the refugees from the Aegean and Edirne Thrace returned to their native places after the first wave, after which they immigrated to Bulgaria again in 1923;
- Bulgaria includes new suburbs won during the Balkan War I and the World War I - Pirin Macedonia and parts of the Rhodopes and Thrace.
| Religion | Number | % |
|---|---|---|
| Orthodox | 4,062,097 | 83.8 |
| Muslim | 690,734 | 14,2 |
| Judaism | 43,232 | 0.8 |
| Roman Catholic | 34,072 | 0.7 |
| Armenian Grecorian | 10,848 | 0.2 |
| Protestant | 5,617 | 0.1 |
| Other/Undeclared | 371 | 0.0 |
| Total | 4,846,971 | 100 |
31 December 1926 census
| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 4,557,706 | 83.2 |
| Turks | 577,552 | 10.5 |
| Romani | 134,844 | 2.5 |
| Romanians | 69,080 | 1.2 |
| Jews | 46,558 | 0.8 |
| Armenians | 27,332 | 0.5 |
| Russians | 19,706 | 0.4 |
| Greeks | 10,564 | 0.2 |
| Tatars | 6,191 | 0.1 |
| Gagauzes | 4,362 | 0.1 |
| Total | 5,528,741 | 100 |
| Religion | Number | % |
|---|---|---|
| Orthodox | 4,569,074 | 83.3 |
| Muslim | 789,296 | 14.4 |
| Judaism | 46,431 | 0.8 |
| Roman Catholic | 40,347 | 0.7 |
| Armenian Grecorian | 25,402 | 0.4 |
| Protestant | 6,735 | 0.1 |
| Other/Undeclared | 1,456 | 0.0 |
| Total | 5,478,741 | 100 |
31 December 1934 census

| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 5,204,217 | 85.6 |
| Turks | 591,193 | 9.7 |
| Romani | 149,385 | 2.5 |
| Jews | 48,565 | 0.8 |
| Armenians | 25,963 | 0.4 |
| Romanians | 16,504 | 0.3 |
| Russians | 11,928 | 0.2 |
| Greeks | 9,601 | 0.2 |
| Total | 6,077,939 | 100 |
| Religion | Number | % |
|---|---|---|
| Orthodox | 5,128,890 | 84.3 |
| Muslim | 821,298 | 13.5 |
| Judaism | 48,398 | 0.7 |
| Roman Catholic | 45,704 | 0.7 |
| Armenian Grecorian | 23,476 | 0.3 |
| Protestant | 8,371 | 0.1 |
| Other/Undeclared | 1,802 | 0.0 |
| Total | 6,077,939 | 100 |
31 December 1946 census

| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 5,903,580 | 84.0 |
| Turks | 675,500 | 9.6 |
| Romani | 170,011 | 2.4 |
| Macedonians | 169,544 | 2.4 |
| Jews | 44,209 | 0.6 |
| Armenians | 21,637 | 0.3 |
| Russians | 13,200 | 0.2 |
| Total | 7,029,349 | 100 |
South Dobruja passes on the territory of Bulgaria.
| Religion | Number | % |
|---|---|---|
| Orthodox | 5,967,992 | 84.9 |
| Muslim | ||
| Judaism | 43,335 | 0.6 |
| Total | 7,029,349 | 100 |
1 December 1956 census
1 December 1965 census

| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 7,231,243 | 87.9 |
| Turks | 780,928 | 9.5 |
| Romani | 148,874 | 1.8 |
| Armenians | 20,282 | 0.2 |
| Russians | 10,815 | 0.1 |
| Macedonians | 9,632 | 0.1 |
| Greeks | 8,241 | 0.1 |
| Tatars | 6,430 | 0.1 |
| Jews | 5,108 | 0.1 |
| Total | 8,227,966 | 100 |
1 December 1975 census
4 December 1985 census
| Number | % | |
|---|---|---|
| Total | 8,948,649 | 100 |
4 December 1992 census

| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 7,271,185 | 85.7 |
| Turks | 800,052 | 9.4 |
| Romani | 313,396 | 3.7 |
| Russians | 17,139 | 0.2 |
| Armenians | 13,677 | 0.2 |
| Macedonians | 10,803 | 0.1 |
| "Vlachs" (Aromanians, Romanians, Romanian-speaking Boyash) | 5,159 | 0.1 |
| Sarakatsani | 5,144 | 0.1 |
| Greeks | 4,930 | 0.1 |
| Tatars | 4,515 | 0.1 |
| Jews | 3,461 | 0.0 |
| Romanians | 2,491 | 0.0 |
| Ukrainians | 1,864 | 0.0 |
| Gagauzes | 1,478 | 0.0 |
| Others | 23,542 | 0.3 |
| Undeclared | 8,481 | 0.1 |
| Total | 8,487,317 | 100 |
| Religion | Number | % |
|---|---|---|
| Orthodox | 7,274,592 | 85.7 |
| Muslim | 1,110,295 | 13.0 |
| Roman Catholicism | 53,074 | 0.6 |
| Protestant | 21,878 | 0.2 |
| Armenian Grecorian | 9.672 | 0.1 |
| Judaism | 2,580 | 0.0 |
| Other | 15,226 | 0.1 |
| Total | 8,487,317 | 100 |
1 March 2001 census


| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 6,655,210 | 83.9 |
| Turks | 746,664 | 9.4 |
| Romani | 370,908 | 4.7 |
| Russians | 15,595 | 0.2 |
| Armenians | 10,832 | 0.1 |
| "Vlachs" (Aromanians, Romanians, Romanian-speaking Boyash) | 10,566 | 0.1 |
| Macedonians | 5,071 | 0.1 |
| Sarakatsani | 4,107 | 0.1 |
| Greeks | 3,408 | 0.0 |
| Ukrainians | 2,489 | 0.0 |
| Tatars | 1,803 | 0.0 |
| Jews | 1,363 | 0.0 |
| Romanians | 1,088 | 0.0 |
| Gagauzes | 540 | 0.0 |
| Others | 3,342 | 0.2 |
| Undeclared | 86,915 | 1.1 |
| Total | 7,932,984 | 100 |
| Religion | Number | % |
|---|---|---|
| Orthodox | 6,552,751 | 82.6 |
| Muslim | 966,978 | 12.1 |
| Roman Catholic | 43,811 | 0.5 |
| Protestant | 42,308 | 0.5 |
| Other | 14,937 | 0.1 |
| Undeclared | 308,116 | 3.9 |
| Total | 7,928,901 | 100 |
| Language | Number | % |
|---|---|---|
| Bulgarian | 6,697,158 | 84.6 |
| Turkish | 762,516 | 9.6 |
| Roma | 327,882 | 4.13 |
| Other | 71,084 | 0.9 |
| Undeclared | 70,261 | 0.9 |
| Total | 7,928,901 | 100 |
1 February 2011 census

| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 5,664,624 | 84.8 |
| Turks | 588,318 | 8.8 |
| Romani | 325,343 | 4.9 |
| Russians | 9,978 | 0.1 |
| Armenians | 6,552 | 0.1 |
| "Vlachs" (Aromanians, Romanians, Romanian-speaking Boyash) | 3,684 | 0.1 |
| Sarakatsani | 2,556 | 0.0 |
| Ukrainians | 1,789 | 0.0 |
| Macedonians | 1,654 | 0.0 |
| Greeks | 1,379 | 0.0 |
| Jews | 1,162 | 0.0 |
| Romanians | 891 | 0.0 |
| Others | 19,659 | 0.3 |
| Undeclared | 736,981 | 10.0 |
| Total | 7,364,570 | 100 |
The 2011 percentage of the ethnic groups is calculated only from those who answered the optional question on ethnicity (6,680,980 in total) and does not include around 750,000 people who did not answer the question or 10% from the population.

| Religion | Number | % |
|---|---|---|
| Orthodox | 4,374,135 | 59.3 |
| Muslim | 577,139 | 7.8 |
| Protestant | 64,476 | 0.8 |
| Roman Catholic | 48,945 | 0.6 |
| Others | 11,444 | 0.1 |
| Atheism | 272,264 | 3.6 |
| Undeclared | 2,016,167 | 27.4 |
| Total | 7,364,570 | 100 |
| Language | Number | % |
|---|---|---|
| Bulgarian | 5,659,024 | 85.2 |
| Turkish | 605,802 | 9.1 |
| Roma | 281,217 | 4.2 |
| Russians | 15,808 | 0.2 |
| Armenian | 5,615 | 0.0 |
| Romanian | 5,523 | 0.0 |
| Greek | 3,224 | 0.0 |
| "Vlach" (Aromanian and Romanian) | 1,826 | 0.0 |
| Ukrainian | 1,755 | 0.0 |
| Macedonian | 1,404 | 0.0 |
| Arabic | 1,397 | 0.0 |
| Tatar | 1,372 | 0.0 |
| Other | 10,623 | 0.1 |
| Undeclared | 47,564 | 0.7 |
| Total returns | 6,642,154 | 100 |
| Total population | 7,364,570 |
7 September 2021 census
| Ethnic groups | Number | % |
|---|---|---|
| Bulgarians | 5,118,494 | 78.5 |
| Turks | 508,378 | 7.8 |
| Romani | 266,720 | 4.1 |
| Russians | 14,218 | 0.2 |
| Armenians | 5,306 | 0.1 |
| Ukrainians | 3,239 | 0.0 |
| Sarakatsani | 2,071 | 0.0 |
| Vlachs | 1,643 | 0.0 |
| Greeks | 1,625 | 0.0 |
| Jews | 1,153 | 0.0 |
| Macedonians | 1,143 | 0.0 |
| Tatars | 1,129 | 0.0 |
| Romanians | 683 | 0.0 |
| Others | 32,210 | 0.5 |
| Undeclared | 547,191 | 8.4 |
| Total | 6,519,789 | 100 |