Progressives are attempting to bolster their pro-family rhetoric, a domain typically dominated by conservatives. The Center for American Progress released a new report Monday, called “Valuing All Our Families,” detailing the progressive pro-family agenda.

The structure of the American family has changed substantially over the past 50 years. Only one in four children live in traditional families today, compared to two-thirds in 1960, according to Neera Tanden, the president of the Center for American Progress. A “traditional family” has two married parents and a male breadwinner. “What’s really energizing our work in this space is also the recognition that children who have two loving parents, married or not … engaged in their lives provides more resources, more support,” Tanden said at a release event Monday.