Science & Technology in Bulgaria 124 indicators covering science & technology for Bulgaria. IndicatorLatest Year10-yr change Rank Mobile landline subscriptions, per unit of GDP 0 units per US$ of GDP 2024 down 54.7% 135th Mobile landline subscriptions, gaps filled 118.07 2024 down 10.1% 96th Mobile cellular subscriptions by country, per capita 1.24 units per person 2024 down 7.6% 80th Mobile cellular subscriptions by country, per unit of GDP 0.0001 units per US$ of GDP 2024 down 57.6% 132nd Mobile cellular subscriptions by country, gaps filled 7.98 million 2024 down 15.9% 102nd Mobile cellular subscriptions by country, per square kilometre 73.83 units per square kilometre 2023 down 23.6% 131st Mobile landline subscriptions, annual growth rate 0.1136 % change on previous year 2024 up 101.3% 144th Mobile cellular subscriptions by country, annual growth rate -0.4474 % change on previous year 2024 up 95.3% 175th Scientific and technical journal articles 4,998 2023 up 89.4% 61st Scientific and technical journal articles, per capita 0.0008 units per person 2023 up 110.3% 42nd Scientific and technical journal articles, per unit of GDP 0 units per US$ of GDP 2023 up 3.4% 20th Scientific and technical journal articles, per square kilometre 0.046 units per square kilometre 2023 up 89.4% 54th Digital connectivity composite index 0.2001 standard deviations from the yearly mean 2024 down 53.0% 79th Scientific and technical journal articles, annual growth rate 2.87 % change on previous year 2023 down 28.8% 84th Mobile phone subscriptions 7.98 million 2024 down 15.9% 102nd Mobile phone subscriptions per 100 people 118.07 per 100 people 2024 down 10.1% 96th Mobile and landline phone subscriptions per 100 people 118.07 per 100 people 2024 down 10.1% 96th Patent applications, nonresidents 6 2021 down 71.4% 129th Share of the population using the Internet 82.4% 2024 up 48.6% 97th Number of people using the Internet 5.31 million people 2024 up 35.3% 96th Patents in OECD selected technologies — Patent applications 33 Patents 2023 up 11.4% 41st Domestic ownership of inventions made abroad — Patent applications 0 Patents 2023 — 3rd Foreign ownership of domestic inventions — Patent applications 0 Patents 2023 — 3rd Indicators of international co-operation — Patent applications 0 Patents 2023 — 3rd Patent applications, residents 165 2021 down 37.0% 60th Patents in OECD selected technologies — Patent grants 4 Patents 2022 down 60.0% 39th Research and development expenditure 0.8% 2023 up 24.9% 47th Human resources in science and technology (HRST) by category and NUTS 1,623 Thousand persons 2025 up 11.6% 25th Proportion of individuals using the Internet 82.4% 2024 up 48.5% 105th Patents - technology diffusion 184 Patents 2023 up 1.7% 42nd Human resources in science and technology (HRST) by category, NUTS 1 1,623 Thousand persons 2025 up 11.6% 25th Human resources in science and technology (HRST) by category, NUTS 1 1,623 Thousand persons 2025 up 11.6% 25th Landline Internet subscriptions per 100 people 37.02 per 100 people 2023 up 89.2% 36th Landline Internet subscriptions 2.52 million 2023 up 77.0% 58th Life science patents granted, by filing office 17 patents 2023 down 58.5% 35th Landline Internet subscriptions per 100 people, by download speed 37.02 per 100 population 2023 up 89.2% 37th R&D personnel and researchers by sector of performance, sex and NUTS 26,472 Full-time equivalent (FTE) 2024 up 36.9% 31st Researchers in R&D 2,401 per million people 2023 up 42.4% 40th Proportion of population covered by at least a 2G mobile network 100.0% 2024 unchanged 60th GERD as a percentage of GDP 0.8% 2023 up 24.9% 47th Individuals who used the internet, frequency of use and activities 86.5% 2025 up 58.5% 47th Share of the population within range of a 2G, 3G, 4G, or 5G mobile network 100.0% 2024 unchanged 58th Individuals who ordered goods or services over the internet for 34.8% 2025 up 194.7% 46th Proportion of population covered by at least a 3G mobile network 100.0% 2024 up 0.1% 41st Patents by WIPO technology domains — Patent applications 33 Patents 2023 up 11.4% 41st Patents with foreign co-inventors — Patent applications 0 Patents 2023 — 3rd Researchers per million inhabitants 2,401 FTE 2023 up 42.4% 40th Proportion of population covered by at least a 4G mobile network 99.8% 2024 up 189.1% 47th Patents by WIPO technology domains — Patent grants 4 Patents 2022 down 60.0% 39th R&D researchers per million people vs. GDP per capita 2,401 per million people 2023 up 42.4% 40th Share of people in range of 4G mobile network 99.8% 2024 up 189.1% 43rd Life science patents granted, by technology 8 patents 2023 down 74.2% 39th Share of the population that owns a mobile phone 95.6% 2024 up 9.4% 52nd Proportion of individuals who own a mobile telephone, by sex 95.6% 2024 up 9.4% 56th Annual patent applications per million people 25.36 applications per million people 2021 down 28.9% 51st Annual patent applications 165 2021 down 37.0% 60th Landline Internet subscriptions by download speed 2.63 million number 2024 up 85.3% 49th Patent applications to the EPO by priority year by NUTS 3 region 30.57 Number 2012 up 109.0% 28th Individuals who used the internet for interaction with public 26.6% 2021 up 4.6% 44th Patent applications to the EPO by priority year by NUTS 3 region 6.22 Number 2012 up 23.2% 29th Page 1 of 3 Next →