Sen. Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.) released her 2018 tax return on Thursday, becoming the latest 2020 presidential candidate to make details about their personal finances public.

Warren’s return shows that she and her husband, Bruce Mann, earned more than $900,000 in income last year, including $176,280 from her Senate salary and $324,687 from her books. Together, the couple paid a total of $230,965 in taxes.

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Warren hasn’t been shy about releasing her tax returns from past years. In August, the Massachusetts Democrat made public 10 years of tax returns, going back to 2008.

A handful of other 2020 hopefuls have released tax documents in recent weeks, including Sens. Kirsten Gillibrand Kirsten GillibrandSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Suburban moms are going to decide the 2020 election Jon Stewart urges Congress to help veterans exposed to burn pits MORE (D-N.Y.) and Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Minn.). In doing so, candidates are hoping to head off potential criticism over transparency and take an implicit swipe at President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE, who has repeatedly refused to release his tax returns.

“There’s a crisis of faith in government — and that’s because the American people think the government works for the wealthy and well-connected, not for them,” Warren said in a statement.

“And they’re right. I’ve put out eleven years of my tax returns because no one should ever have to guess who their elected officials are working for. Doing this should be law,”

Warren’s latest return shows her income is considerably higher than some of her Democratic opponents. Gillibrand, for example, reported a family income of about $218,000 last year, while Washington Gov. Jay Inslee Jay Robert InsleeBarr asked prosecutors to explore charging Seattle mayor over protest zone: report Bottom line Oregon senator says Trump's blame on 'forest management' for wildfires is 'just a big and devastating lie' MORE and his wife earned just under $203,000.

The release of Warren’s 2018 return came a day after Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.), another 2020 contender, said that he would release his tax documents by Monday, the last day to file taxes for 2018.

Sanders has long held out on releasing his tax returns, but has insisted that the documents are “boring” and that there will not be any surprises in his finances.

In an interview with The New York Times on Monday, Sanders acknowledged that he has become a millionaire following the success of his 2016 book, "Our Revolution."