Sen. Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE (I-Vt.) praised Iceland's new equal pay law in a Facebook post on Tuesday and urged Americans to "not lose sight" of expanding women's rights.

"We must follow the example of our brothers and sisters in Iceland and demand equal pay for equal work now, regardless of gender, ethnicity, sexuality or nationality," Sanders wrote.

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"As we fight back Republican efforts to revert women’s rights to second-class, it is important to not lose sight that our real goal is to move forward and expand women’s rights," he continued.

Iceland enacted an equal pay law on Monday.

The legislation requires companies employing at least 25 people to obtain government certification of their equal pay policies.

Iceland has topped the World Economic Forum's list of the most gender-neutral economies for the past nine years.

The former Democratic presidential candidate has long touted the Nordic economic model used in Scandinavian countries, which involves generous government services and higher taxes, on and off of the campaign trail.

Speculation has swirled around Sanders in recent months about a potential 2020 presidential run.

--This report was updated on Jan. 4 at 11:19 a.m.