World Toilet Day: Top 10 nations lacking toilets

See a lot of people squatting in the open today? Don't be offended: It's the 10th annual World Toilet Day, an initiative to bring awareness to the need for adequate sanitary facilities.

8. Nepal: 15 million

The Himalayan nation wedged between India and China has low use of sanitation facilities, with some 52 percent of the 29 million population lacking access to indoor plumbing. Still, 31 percent of the population – or 6.8 million people – have seen improved sanitation facilities over the past two decades.

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