April 14 this year is Equal Pay Day . The date symbolizes how far into the year women must work to earn as much as their male counterparts earned in 2014. While the gender wage gap has narrowed over the years, women still earn 78 cents to every dollar earned by men, according to the most recent census data .

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Over time, not asking for more money contributes to the widening wage gap. According to the most recent report by the Institute For Women’s Policy Research , on average, women earn 78.3% of men’s salaries. Over the course of a 40-year career, that can lead to a loss of $435,000 for women.