According to World Health Organization and World Bank figures, about 1 billion people—15% of the world’s population—are disabled. With that in mind, the United Nations held the Convention on the Right of Persons with Disabilities in 2006. At the convention, held in New York City, a human rights treaty was presented, designed to protect the rights and dignity of persons with disabilities and ensure their right to education and work, among other things. Today, the treaty has 162 signatories and 177 parties. And while there has been much progress, there have also been a number of setbacks. For example, only 28% of surveyed countries constitutionally guarantee quality education for people with disabilities, and only 18% guarantee their right to work. So, here's a look at three very different countries and reported treatment of the disabled in each.