Castellum.AI said that sanctions were first imposed by the US and its allies on Russia on 22 February, a day after President Vladimir Putin declared the two Ukrainian rebel regions of Donetsk and Luhansk as "independent states".
After Russia announced its military operations against Ukraine on 24 February, hundreds more sanctions followed.
The site said that 2,754 sanctions were already in place against Russia before 22 February and 2,778 additional were imposed in the days following the assault, bringing the total to 5,532.
Russia's number now outranks Iran's 3,616 sanctions, displacing Tehran from the top position, reports the BBC citing Castellum.AI data.
According to the site, the countries and regions targeting Russia with sanctions are Switzerland (568), the European Union (518), Canada (454), Australia (413), the US (243), the UK (35), and Japan (35).
Countries across the world are putting sanctions on Russia in an effort to stop the invasion of Ukraine.