Half Of The World Doesn't Have Bank Accounts

Well, if that is not a surprise, the reasons would definitely be - we spotted this today:

"In the U.S., bank accounts are nearly ubiquitous, with almost 90 percent of adults having formal accounts. But in poor countries, only a quarter of people report having have accounts. All told, more than 2.5 billion adults around the world—about half—are unbanked, according to a new World Bank data project funded by the Bill & Melinda Gates Foundation and based on Gallup polling in 148 countries. "

Statistics Source: BW

One of the reasons quoted is M-Pesa - remember, one quarter of Kenya's GDP flows through this service.