The inaugural Global Slavery Index is published by the Australia-based Walk Free Foundation,<ref>[http://www.nbcnews.com/news/other/30-million-people-still-live-slavery-human-rights-group-says-f8C11409499 30 million people still live in slavery, human rights group says], NBC News</ref> | The inaugural Global Slavery Index is published by the Australia-based Walk Free Foundation,<ref>[http://www.nbcnews.com/news/other/30-million-people-still-live-slavery-human-rights-group-says-f8C11409499 30 million people still live in slavery, human rights group says], NBC News</ref> |