The scary truth about saving for retirement: Women may need to save twice as much as men

By now, you may have heard a few "rules of thumb" when it comes to saving for retirement : Some experts say you need to save 10% of income every year, while others say 22% . But no matter whom you listen to, there's a big problem with following "one-size-fits-all" rules. Why? These rules were written for both men and women — and women need more. On average, women earn less , work for fewer years , and tend to make more conservative investments, which means they get lower returns.

Facebook COO Sheryl Sandberg's Top Five Ways for Women to Support Women

Sheryl Sandberg, Facebook’s Chief Operating Officer and founder of the Lean In Foundation, has dedicated much of her focus to helping women succeed. Now, as one of PEOPLE’s 25 Women Changing the World, the tech mogul offers five easy ways women can support one another in their personal and professional lives in an exclusive piece for PEOPLE. We’ve all heard the myth that women don’t support each other — but it’s not true.

Is Your Office Layout Causing Gender Bias?

Most office layouts are set up to favor men's work styles.

When it comes to climbing the corporate ladder, women get less access to career-advancing opportunities, they're less likely to see fellow women in senior management, and they're less confident that they'll reach the top ranks, according to the Women in the Workplace 2016 study, conducted by LeanIn.Org and McKinsey & Company.

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25 Famous Women on How to Negotiate Salary

Photo: Getty Images Setting up a meeting with the boss to ask for a bump in salary can be a loaded, anxiety-inducing experience for anyone — even when you clearly deserve a raise. Women in the workforce already have to deal with the ugly realities of the gender pay gap , and failing to negotiate a higher salary at the onset can become a barrier years down the line. According to research from Glassdoor, 68 percent of women accepted the salary they were initially offered and did not negotiate.

The reason why married men are working fewer hours than ever

Back in the day, the only job a woman could get was as a secretary. Today, women are doing more than answering phones and getting coffee — they’re running their own companies and working in record numbers.

So, why are married men are working fewer hours than ever?