The filings show how the couple are collecting enormous sums from other enterprises while serving in the White House, an extraordinary income flow that ethics experts have warned could create potential conflicts of interests.
The Post estimated Kushner's assets at Dollars 179 million to USD 735 million past year, compared to between USD 55.3 million and USD 75.6 million for Trump, noting that the Office of Government Ethics uses broad ranges for assets and liabilities.
The disclosure lists are challenging to follow.
Peter Mirijanian, a spokesman for the couple's ethics lawyer, Abbe Lowell, said Ms Trump and Mr Kushner had abided by government ethics rules.
The figure was outed in financial disclosure forms released Monday.
The Trump International Hotel at 1100 Pennsylvania Avenue, Washington.
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To reduce her "interest in the performance of the business", Trump will now receive fixed yearly payments from the three limited-liability companies, rather than profit sharing, according to the filings.
Trump and Kushner aren't the only White House staffers raking in the millions, however.
Disclosures issued by the White House for Kushner and his wife, Trump's daughter Ivanka, showed that Kushner held assets totaling at least $181 million. Trump was paid a $289,300 advance by Penguin Random House for her book, "Women Who Work".
Kushner reported at least $US27 million and as much as $US135 million in outstanding liabilities.
Kushner, however, failed to report multiple stakes in a handful of companies, with the documents showing he did not report those assets because of an "accounting oversight", despite divesting his stakes before taking up his position in the White House, the Post said.
Between Kushner's business loans, his family's business ventures, and his failure to disclose his stakes in various companies, critics have expressed concern that his income is mixed up in ethical complications and potential conflicts of interest.