The debate over who should succeed Jens Stoltenberg, a Norwegian former prime minister, has become complicated. It's also possible he could agree to a fourth contract extension.
Refugees International gave the Trump administration's U.S. practices a 'failing grade' for a second year in a row.
The treaty, which took effect in 2014, builds on efforts to protect women and girls from violence since the 1990s. Some nations say they oppose it based on sovereignty concerns.
The condemnation came from Australia, Canada, Iceland, Japan and New Zealand, along with 17 European nations.
Europe's leading human rights organization approved by majority vote a joint declaration that tries to appease Russia.
The non-binding deal tries to solve some of the polarizing but age-old issues surrounding people crossing borders.