475 coups have been attempted since 1950
According to SocialCops' analysis, there have been 475 coups attempted across 95 countries over the last 66 years. However, only 49.7% of these coups were successful. While each country had an average of five coups since 1950, Bolivia had the most (23) in the same time period. Interestingly, there has been a coup every year since 1950, except in 2007.