All years are estimates; Excludes PayPal, Square, and Stripe
Supplementary notes
The term 'payment facilitator' refers here to integrated software vendors (ISVs) that generate revenue streams by integrating payment acceptance into the software they provide to clients.
Citation formats
Volume of payment facilitator transactions worldwide 2016-2021
The statistic shows the volume of transactions processed by payment facilitators worldwide, from 2015 to 2021. In 2018, an estimated ** billion U.S. dollars of payments will be processed globally by payment facilitators, excluding segment giants such as PayPal, Square, and Stripe.
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Various sources (Double Diamond Payments Research). (October 27, 2016). Transaction volume of payment facilitators worldwide from 2016 to 2021 (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/811969/worldwide-payment-facilitator-transaction-volume/
Various sources (Double Diamond Payments Research). "Transaction volume of payment facilitators worldwide from 2016 to 2021 (in billion U.S. dollars)." Chart. October 27, 2016. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/811969/worldwide-payment-facilitator-transaction-volume/
Various sources (Double Diamond Payments Research). (2016). Transaction volume of payment facilitators worldwide from 2016 to 2021 (in billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/811969/worldwide-payment-facilitator-transaction-volume/
Various sources (Double Diamond Payments Research). "Transaction Volume of Payment Facilitators Worldwide from 2016 to 2021 (in Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Oct 2016, /statistics/811969/worldwide-payment-facilitator-transaction-volume/
Various sources (Double Diamond Payments Research), Transaction volume of payment facilitators worldwide from 2016 to 2021 (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/811969/worldwide-payment-facilitator-transaction-volume/ (last visited July 26, 2026)
Transaction volume of payment facilitators worldwide from 2016 to 2021 (in billion U.S. dollars) [Graph], Various sources (Double Diamond Payments Research), October 27, 2016. [Online]. Available: /statistics/811969/worldwide-payment-facilitator-transaction-volume/
