Tvarditsa Municipality
Tvarditsa Municipality is a municipality in the Sliven Province of Bulgaria.
Demography
Population size according to censuses over the years.| Census | Population |
| 1934 | 12 057 |
| 1946 | 13 944 |
| 1956 | 16 434 |
| 1965 | 19 618 |
| 1975 | 18 066 |
| 1985 | 17 218 |
| 1992 | 17 215 |
| 2001 | 14 927 |
| 2011 | 13 804 |
| 2021 | 13 312 |
Ethnicity
At the 2011 census, the population of Tvarditsa was 13,804. Most of the inhabitants were Bulgarians with a minority of Turks and Gypsies/Romani. 7.07% of the population's ethnicity was unknown.
The ethnic group of Bulgarian citizens of Roma origin in the municipality of Tvarditsa is significant and its number is about 30% of the total population. Since the Roma in the municipality cannot be officially counted, because a large part of them self-identify as Bulgarians, this information is taken approximately from the ESGRAON of the Tvarditsa municipal administration.
Distribution of Roma in the following settlements:
- Tvarditsa: 2 200 - 38.9%
- Shivachevo: 1 610 - 44.1%
- Sborishte: 990 - 55.3%
- Orizari: 100 - 18.2%
Religions
Ethnicity of school pupils
The integration of Roma children from the Municipality of Tvarditsa is a continuous process that has not stopped and continues to be implemented, albeit with considerable difficulties.
Birth rate
| Year | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
| All live births | 233 | 206 | 235 | 212 | 227 | 211 | 217 | 225 | 238 | 221 | 233 | 264 | 243 | 252 | 255 |
| Mothers aged under twenty | 64 | 58 | 73 | 62 | 77 | 74 | 71 | 64 | 82 | 87 | 85 | 94 | 98 | 104 | 104 |
| Share of teenage mothers | 27.5 | 28.2 | 31.1 | 29.2 | 33.9 | 35.6 | 32.7 | 28.4 | 34.5 | 39.4 | 36.5 | 35.6 | 40.4 | 41.3 | 40.8 |
In addition to Roma born to mothers under twenty years of age, there is also a significant proportion over that age. This means that of the newborns in the Municipality of Tvarditsa, over 50% are Roma.
Villages
In addition to the capital town of Tvarditsa, there are 9 villages in the municipality:- Bliznets
- Borov Dol
- Byala Palanka
- Zhalt Bryag
- Orizari
- Sborishte
- Sartsevo
- Chervenakovo
- Shivachevo