The OECD predicts global corporate income tax revenues to increase some 4 percent a year after countries reform the way they tax digital companies like Google and Facebook.
That's an extra 100-billion U.S. dollars annually.
It says the gains would be similar across all countries high, middle and low-income.
The OECD says it aims to get an agreement on digital taxation done by the end of this year.
The U.S. and France have been in a standoff over the issue for months.
The Trump Administration claims such taxes unfairly target American tech giants like Apple, Google and Facebook.