R&D expenditures as a percentage of GDP rose 2.54% to 0.854% in Bulgaria in 2020, according to World Bank.
Historically, R&D expenditures as a percentage of GDP in Bulgaria reached an all time high of 0.949% in 2015 and an all time low of 0.418% in 1996. When compared to Bulgaria's main peers, R&D expenditures as a percentage of GDP in Greece amounted to 1.50%, 0.470% in Romania, 0.906% in Serbia and 1.09% in Turkey in 2020.
Bulgaria has been ranked 37th within the group of 67 countries we follow in terms of R&D expenditures as a percentage of GDP, 14 places above the position seen 10 years ago.
| R&D Expenditures (As % of GDP) | Unit | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
| Albania | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ||
| Bosnia and Herzegovina | % | ... | ... | ... | ... | ... | 0.257% | 0.219% | 0.216% | 0.200% | 0.195% | |||||||||||
| Bulgaria | % | 0.790% | 0.949% | 0.770% | 0.740% | 0.754% | ||||||||||||||||
| Croatia | % | 0.774% | 0.829% | 0.852% | 0.849% | 0.952% | ||||||||||||||||
| Greece | % | ... | ... | 0.840% | 0.966% | 1.01% | 1.15% | 1.21% | ||||||||||||||
| Hungary | % | 1.34% | 1.34% | 1.18% | 1.32% | 1.51% | ||||||||||||||||
| Iran | % | ... | ... | ... | 0.418% | ... | 0.830% | ... | ... | |||||||||||||
| Iraq | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 0.038% | 0.040% | 0.037% | 0.046% | 0.043% | |||||||
| Macedonia | % | 0.516% | 0.444% | 0.436% | 0.354% | 0.364% | ||||||||||||||||
| Moldova | % | ... | ... | ... | 0.311% | 0.309% | 0.277% | 0.254% | 0.252% | |||||||||||||
| Romania | % | 0.382% | 0.488% | 0.481% | 0.503% | 0.501% | ||||||||||||||||
| Serbia | % | 0.723% | 0.811% | 0.838% | 0.872% | 0.919% | ||||||||||||||||
| Turkey | % | 0.856% | 0.877% | 0.938% | 0.953% | 1.03% | ||||||||||||||||
| Ukraine | % | 0.650% | 0.615% | 0.483% | 0.449% | 0.471% |
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