More than 70.3 billion real-time payments transactions were processed globally in 2020, a surge of 41 percent compared to the previous year. Mobile wallet adoption rose to an historic high of 46 percent, up from 40.6 percent in 2019 and 18.9 percent in 2018. India retains top spot with 25.5bn transactions, followed by China with 15.7bn transactions; South Korea is in 3rd place with 6.0bn, Thailand 4th with 5.2bn and UK is in 5th place with 2.8bn transactions.
Source: https://www.helpnetsecurity.com/2021/04/09/real-time-payments-2020/