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Sanitation facts - According to the World Health Organization, 2.3 billion people still do not have access to toilets.

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Years on the can - It's estimated that the average person spends around three years of their life on the toilet.

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How many times do we use the toilet? - An average person will go to the toilet 2,500 times a year.

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Cuba - There are shortages of some basic goods in Cuba, and toilet paper is one of them.

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Cuba - The demand is so high that some people have been smuggling it into the country and selling it.

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France - People urinating on the streets of Paris became an issue, and not even a €68 fee (about US$76) for public urination stopped the problem.

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France - The solution? Eco-friendly public urinals called "uritrottoirs."

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Germany - To avoid getting toilets dirty, men in Germany are being encouraged to pee sitting down instead of doing it standing.

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Germany - This has caused some controversy, and sparked heated debates about whether or not men should sit down to pee.

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Sweden - You have to pay to use many public toilets in Sweden.

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Sweden - So don't forget to carry some change in your pocket when you're out and about in the Scandinavian country.

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Mexico - Mexico City is known for its high levels of air pollution. But did you know that feces is also found in the air particles?

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Mexico - In fact, there are major sanitation problems in Mexico, including issues with water quality.

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Scotland - Many people believe there's a law in Scotland that says: "If someone knocks on your door and requires the use of your toilet, you must let them enter."

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Scotland - But it turns out it's just a legal legend!

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United Arab Emirates - When you think of using a toilet in the sky, an airplane will pop to mind. But using the toilet in the tallest building in the world, the Burj Khalifa, will work as well.

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United Arab Emirates - Actor Will Smith is one of the privileged few who had the chance to use the toilet with  this view.

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South Korea - South Korea is home to the world's first toilet theme park.

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South Korea - But hidden cameras being placed in women's toilets seem to be a problem in public restrooms in the country.

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Antarctica - Using the toilet in Antarctica can be a bit tricky. A scientist says that 'pee bottles' are essential, if you need to pee and don't want to brave the immense cold outside.

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Antarctica - There are a number of different rules for different toilets here, including a Japanese toilet that wraps and seals your feces into a plastic bag.

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Japan - If the Japanese are really good at something, it's high tech, and toilets are no exception. So much so that you may even be confused using one.

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Japan - And there's even a solution for those who feel embarrassed by the sounds they make in the toilet—a mobile device that plays the sound of running water! Of course, that could also encourage you to pee if you're having trouble!

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China - China had a major problem with public toilets, which led to an investment of around US$3 billion to build and renovate 68,000 of them.

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China - Public toilets in China have improved considerably since the 'toilet revolution.'

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China - The Chinese city of Chongqing is home to the biggest (and probably most bizarre) public toilet in the world.

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China - And the Chinese obsession with toilets continues. This here is actually a toilet-themed restaurant in the city of Shenzhen.

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India -

If you're into the history of sanitation and the evolution of toilets throughout the world over the last 5,000 years, then the Sulabh International Museum of Toilets in New Delhi is the place to go.

See also: Celebs who didn't make it to the toilet in time!

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