Researchers in R&D per mil of people fell 0.737% to 2,402 persons in Bulgaria in 2020, according to World Bank.
Historically, researchers in R&D per mil of people in Bulgaria reached an all time high of 2,420 persons in 2019 and an all time low of 1,162 persons in 2001. When compared to Bulgaria's main peers, researchers in R&D per mil of people in Greece amounted to 4,010 persons, 953 persons in Romania, 2,167 persons in Serbia and 1,775 persons in Turkey in 2020.
Bulgaria has been ranked 29th within the group of 60 countries we follow in terms of researchers in R&D per mil of people, 5 places above the position seen 10 years ago.
| Researchers In R&D Per mil of People | Unit | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
| Albania | persons | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | |
| Bosnia and Herzegovina | persons | ... | ... | ... | ... | ... | ... | ... | 292 | 365 | 420 | 485 | 471 | |||||||||
| Bulgaria | persons | 1,822 | 1,977 | 2,237 | 2,125 | 2,343 | ||||||||||||||||
| Croatia | persons | 1,437 | 1,504 | 1,850 | 1,868 | 1,921 | ||||||||||||||||
| Greece | persons | ... | ... | ... | ... | ... | ... | 2,792 | 3,256 | 2,770 | 3,311 | 3,487 | ||||||||||
| Hungary | persons | 2,673 | 2,589 | 2,646 | 2,922 | 3,874 | ||||||||||||||||
| Iran | persons | ... | ... | ... | ... | ... | ... | ... | ... | ... | 825 | ... | 1,475 | ... | ... | |||||||
| Iraq | persons | ... | ... | ... | ... | ... | ... | ... | ... | ... | 69.6 | 65.8 | 64.8 | 106 | 111 | |||||||
| Macedonia | persons | 838 | 858 | 854 | 729 | 799 | ||||||||||||||||
| Moldova | persons | ... | ... | ... | 933 | 954 | 927 | 941 | 918 | |||||||||||||
| Romania | persons | 904 | 876 | 912 | 891 | 882 | ||||||||||||||||
| Serbia | persons | ... | ... | ... | ... | ... | ... | ... | 1,831 | 2,071 | 2,133 | 2,079 | 2,087 | |||||||||
| Turkey | persons | 1,161 | 1,212 | 1,255 | 1,379 | 1,533 | ||||||||||||||||
| Ukraine | persons | ... | ... | ... | ... | ... | ... | 1,024 | 1,006 | 1,037 | 994 | 988 |
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