The campaigners ranked countries along a scale, in which zero indicated gross human rights abuses and 100 per cent represented the greatest degree of equality.
Now in its 10th year, the ranking analysed laws and policies governing LGBT+ matters across 49 European countries over the past 12 months.
Marks were given across 69 individual categories, such as employment rights and marriage equality.
In 2017 reports emerged of an alleged crackdown on LGBT+ people in Azerbaijan.
Human rights groups condemned news of mass arrests and abuses and urged authorities to release those who were jailed.
Azerbaijan’s Ministry of Internal Affairs has responded to criticism by activists in the past by claiming that such raids are not a specific attack on LGBT+ people but instead a crackdown on prostitution.
The countries that did well in ILGA’s ranking include Malta, which came first with 90 per cent.
“Those countries that continue to do really well and go up are those that ... clicked quite some time ago that the agenda was more than marriage equality,” said Evelyne Paradis, the campaign group’s executive director.
Due to a shift in the number of categories included in the survey, several countries that had formerly been seen as leaders of LGBT+ equality, such as the UK, saw their overall percentages slip between 2018 and 2019.
The UK fell to 66 per cent in the 2019 index, tied at seventh with Portugal.
Additional reporting by agencies
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