Reference Data in Sliven 18 indicators covering reference data for Sliven. IndicatorLatest Year10-yr change Rank Assumptions for probability of dying by age, sex, type of projection a 0.0004 Number 2100 down 34.4% 1st Cooling and heating degree days by NUTS 2 regions - monthly data 386.7 Number 2025 down 0.9% 974th Cooling and heating degree days by NUTS 2 regions - annual data 2,041 Number 2025 down 4.3% 1381st Deaths (total) by NUTS 3 region 2,590 Number 2024 down 10.1% 1286th Deaths by week, sex and NUTS 3 region 51 Number 2026 down 12.1% 941st Deaths by week and NUTS 3 region 51 Number 2026 down 12.1% 941st Deaths by week, sex, 5-year age group and NUTS 3 region 51 Number 2026 down 12.1% 935th Road accidents by NUTS 3 region 141 Number 2024 down 18.5% 1434th Area by NUTS 3 region 3,544 Square kilometre 2026 unchanged 1046th National road freight transport by region of unloading (NUTS 3) and ty 2,023 Thousand tonnes 2025 up 19.9% 1439th National road freight transport by region of loading (NUTS 3) and type 1,526 Thousand tonnes 2025 down 32.6% 1498th Police-recorded offences by NUTS 3 region 1 Number 2024 down 75.0% 955th Nights spent at tourist accommodation establishments by NUTS 3 region 95,276 Number 2024 — 1552nd Deaths by age group, sex and NUTS 3 region 2,590 Number 2024 down 10.1% 1283rd Guest nights spent at short-stay accommodation offered via collaborati 10,559 Number 2025 up 929.1% 1186th Nights spent at tourist accommodation establishments by NUTS 3 region 95,276 Number 2024 — 1138th Area by NUTS 3 region 3,536 Square kilometre 2015 down 0.2% 845th Establishments, bedrooms and bed-places in tourist accommodation by NU 61 Number 2011 up 281.2% 1325th