The United Nations University World Institute for Development Economics Research has a report on estimated losses due to tax evasion by country in 2013 (publish

The United Nations University World Institute for Development Economics Research has a report on estimated losses due to tax evasion by country in 2013 (published in 2017). https://www.wider.unu.edu/sites/default/files/wp2017-55.pdf https://www.wider.unu.edu/sites/default/files/wp2017-55.pdf Anyone uninterested in reading the whole report can CTRL+F country names (there is a breakdown in the appendix).