A new report from the Center for American Progress (CAP) released Monday finds that bisexual people are more likely to suffer the effects of poverty than their lesbian and gay peers. And that’s important, considering that bi people (which, for the research study’s purposes, includes pansexual and queer-identified people who report being attracted to more than one gender) make up over half of Americans who identify as LGBTQ+, according to data from the Williams Institute at UCLA.

Research on bisexuals is harder to come by, says CAP, because bi people are too often lumped into surveys on the LGBTQ+ community as a whole, or included in data that pertains to gay men and lesbians.

“Bisexuals and other non-monosexual people make up about half of the LGBTQ community, and grouping them together with gay and lesbian respondents obscures key differences in their experiences,” said Shabab Ahmed Mirza, a research assistant for the LGBT Research and Communications Project at CAP and the report’s author, in a press release. “Considering the data separately can help foster a better understanding of their unique needs and improve our ability to develop policies and programs that effectively serve the community.”

According to the study, which surveyed 1,864 adults of all sexual orientations (including transgender women and men) in January 2017 about economics, the rates of poverty in the bisexual community far exceed those of gay men, lesbians, and heterosexuals. For bisexual men, the data was stark: 24 percent of bi men reported a household income below the federal poverty line, compared to 12 percent of gay men and just 6 percent of straight men. Among women, lesbians were the least likely to report poverty, followed by straight women at 14 percent and bi women at 21 percent.

In a surprising twist, lesbians were more aligned with straight men across several aspects of the survey; both groups were most likely to be employed, least likely to report poverty, and least likely to be on public benefits such as welfare and food stamps.

But when it comes to issues like physical and mental health, and discrimination based on sexual orientation, bisexual men and women fared better than lesbians and gay men — reporting about half as many incidents of anti-LGBTQ+ discrimination over the previous year.

Though bi people reported less outright discrimination to CAP, other surveys have shown that discrimination keeps many bisexuals in the closet — further complicating the process of collecting accurate data for research. According to a 2014 report from the Movement Advancement Project, BiNet USA, and the Bisexual Resource Center, a full quarter of bisexual people (25 percent) have never told anyone that they are bi. And because discrimination against bisexuals often stems from within the LGBTQ+ community — where lesbians and gay men both perceive bisexuals as secretly being more attracted to men but unwilling to admit it — the bi experience of discrimination can be a bit more nuanced than what lesbians and gay men report.

It isn’t the first time researchers have discovered that bisexual Americans are struggling, especially when it comes to finances. In 2011, the San Francisco Human Rights Commission analyzed available data and also found that bisexuals were more likely to live in poverty. But even in that report, the commission highlighted the lack of research on the bi experience — noting that bi people are often conflated with gay men and lesbians, and too few surveys offer separate questions about bisexual issues.

With years of research saying the same thing, it’s clear that more bisexual-specific data is needed, and that bi people are being left behind. Most of the reports about bisexual Americans reveal a laundry list of problems that continue to go unaddressed, igniting questions about whether local and national LGBTQ+ advocacy groups are doing enough to offer solutions to bisexual discrimination and poverty.