These countries have not had the most reliable reporting on topics like these, so data quality/availability is a likely reason for their absence.
Religious fundamentalism is strongly correlated with anti LGBT sentiment (at least with Abrahamic religions), so it is fair to assume that these countries are probably not very good. It is also worth noting that most of them are like they are due to meddling (or outright coups) by western nations. Iran was fairly progressive for its day before the CIA overthrew their democratically elected government.
All the Islamic countries are left off the list for some strange reason
These countries have not had the most reliable reporting on topics like these, so data quality/availability is a likely reason for their absence.
Religious fundamentalism is strongly correlated with anti LGBT sentiment (at least with Abrahamic religions), so it is fair to assume that these countries are probably not very good. It is also worth noting that most of them are like they are due to meddling (or outright coups) by western nations. Iran was fairly progressive for its day before the CIA overthrew their democratically elected government.
Turkey would like a word.