Several Democratic women, including Senators Kamala Harris (California), Elizabeth Warren (Massachusetts), Kirsten Gillibrand (New York) and possibly even 2016 nominee Hillary Clinton, are potential presidential contenders in 2020, but it could be more of an uphill battle for them than for their male counterparts.

That's because just over half of Americans are totally comfortable with the idea of a woman president, according to a new report by the consulting firm Kantar Public.

The report finds that while 63 percent of Americans are perfectly fine with the idea of a woman heading a major corporation, just 52 percent are as comfortable with a scenario featuring a female president.

Men are more inclined to judge a person's leadership suitability based on gender, while women are more likely to think men and women are equally suited to leadership, according to the report, which finds that 60 percent of women would be OK with one of their own as commander-in-chief, compared to just 45 percent of men.

Ten thousand people in seven developed countries - members of the G7 - were surveyed for the study. In addition to the United States, members of the G7 include Canada, France, Germany, Italy, Japan, and the United Kingdom. England and Germany currently have a woman leading their governments. (VOA)

•(From left) Senators Elizabeth Warren, Kamala Harris and Kirsten Gillibrand have been mentioned as possible candidates for president in 2018.

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