There are many organizations that track and document LGBT rights abuses around the world. One such organization is the Human Rights Campaign (HRC), which publishes an annual report on the state of LGBT rights in countries around the world. According to the HRC, some of the countries with the worst records on LGBT rights include:
It's worth noting that these are just a few examples, and there are many other countries where LGBT people face discrimination, violence, and other human rights abuses.