Banking system concentration - Country rankings:
The average for 2016 was 65.6 percent.The highest value was in Barbados: 100 percent and the lowest value was in Nepal: 18.39 percent. Below is a chart for all countries where data are available for: Banking system concentration.
Bank concentration: percent of bank assets held by top three banks, 2016
(percent, Source: Bankscope, TheGlobalEconomy.com)