Want to know if women's representation in media is improving? Here's one indication it's not: the percentage of female guests on the Sunday morning broadcast political talk shows is the same as it was five years ago.

According to a Media Matters analysis, male guests vastly outnumbered female ones on the Sunday broadcast political talk shows in 2013, with women making up only 25 percent of all guests on ABC's This Week, CBS' Face the Nation, Fox Broadcasting Co.'s Fox News Sunday, and NBC's Meet the Press. Women also represented an even smaller percentage of solo interview guests, being featured less than 15 percent of the time on the same programs. In fact, the top ten recipients of Sunday show solo interviews in 2013 were all men.

This vast underrepresentation of women on political talk shows that often set the agenda is disheartening -- but the number appears even worse when looked at over time.

Female guests made up only 24 percent of guests on the Sunday morning broadcast shows back in 2008 according to Media Matters' data, an insignificant change over the past five years.

One reason for this may be that the pool of potential guests for these shows has also not gotten significantly more diverse over the past five years. The most common guests were in 2013 were journalists and pundits, a profession which is overwhelmingly male. Newsroom diversity has been stagnant for over a decade, with the percentage of women in newsrooms never exceeding 38 percent.

The second most common profession among guests in 2013 on those programs were politicians. According to the Nation Women's Political Caucus, in 2013 women made up only 18.3 percent of Congress, a (shockingly low) number which was not much of an improvement from 2008, when women were 17 percent of Congress.

The lack of diversity in newsrooms and Congress, however, does not entirely excuse the broadcast shows from consistently failing to invite women to the table. In 2013, MSNBC managed to have women make up 44 percent of guests on their Sunday morning political talk shows, with Melissa Harris-Perry (which debuted in 2012) leading in gender diversity by hosting women 47 percent of the time. Broadcast political talk shows have a lot of catching up to do to ensure women have equal participation in our national media.

Let's hope it doesn't take another five years.

Charts by Oliver Willis.