Forbes currently estimates Donald Trump's net worth to be $3.1 billion, a $400 million drop since he took presidential office in January 2017.
During his presidential campaign, Trump claimed he had a net worth of $10 billion —three times as much as it really was.
Still, he's made history as the first billionaire to serve as President of the United States.
Trump's finances are supplemented annually by a variety of sources.
next slide will load in 15 secondsSkip AdSkip AdBetween January 2016 though the spring of 2017, Trump raked in anywhere from $597,396,914 to $667,811,903, according to a public financial disclosure report.
While running for the presidency, Trump emptied out $66 million from his own pockets to fund his campaign, according to campaign finance disclosures examined by Reuters.
Now as president, he also earns about $400,000 a year, which he has so far donated to the Department of Education, the Department of Interior, and the Department of Health and Human Services.
His presidential salary is a drop in the bucket compared to the rest of his income.
Revenue from New York City real estate alone accounts for $1.5 billion of his net worth, according to Forbes.
next slide will load in 15 secondsSkip AdSkip AdSales from Central Park Carousel admission and ice skating rink operations combined add up to more than $13,000,000 in revenue.
And $170 million of his total net worth is generated from the Trump brand and licensing alone.
Hundreds of millions of dollars more are generated from golf clubs and real estate outside of New York City.
His exclusive private Mar-a-Lago club in Palm Beach, for example, is valued at $160 million.
It became even more exclusive after Trump became president. You now need to shell out $200,000 for initiation fees to join, up from $100,000 from before the election.
next slide will load in 15 secondsSkip AdSkip AdBut among the perks afforded to you are 58 bedrooms, 33 bathrooms, 12 fireplaces, and 3 bomb shelters.
In 2011, Trump doled out $6.2 million for a winery and vineyard in Charlottesville, Virginia. He later sold it to his eldest son, Eric. The property is known as Trump Vineyard Estates.
As far as his cash and personal assets go, they account for $320 million of his net worth, according to Forbes.
That includes his massive personal aircraft fleet, which he used to travel during his election campaign.
Trump reportedly bought a Boeing 727 in 2010 from Microsoft co-founder Paul Allen for $100 million.
next slide will load in 15 secondsSkip AdSkip AdAccording to the New York Times, the aircraft burns fuel at a rate of thousands of dollars an hour.
He also owns a Cessna, a jet known for its low operating costs and high performance.
It was reportedly worth $15.3 million bought new and $3.2 million secondhand in 2016.
He also owns three Sikorsky S-76's, helicopters known for their ease-of-use.
Previously-owned Sikorsky S-76's usually sell for $5 million to $7 million.
next slide will load in 15 secondsSkip AdSkip AdWith his most recently purchased S-76, Trump had the whole interior gutted and redone with 24-karat gold-plated hardware, from the seat belts and handles to his family crest emblazoned on the side of the aircraft.
All of the gold embossment cost Trump an estimated $750,000.
He's also indulged in road travel.
He reportedly owns a vintage Rolls-Royce Silver Cloud ...
... a Rolls-Royce Phantom, which starts at $500,000 ...
next slide will load in 15 secondsSkip AdSkip Ad... a Mercedes-Benz 3600, and a Maybach.
He also reportedly bought First Lady Melania a $455,000 SLR McLaren.
Trump also shelled out $30 million for a 100-cabin yacht in the 1980s and called it "Trump Princess."
Trump has a penchant for suits made by Italian brand Brioni, a clothing line found in the closets of many a powerful CEO and celebrity.
next slide will load in 15 secondsSkip AdSkip AdThe luxurious suits sell for anywhere between $5,250 and $6,900.
During his tenure on the reality show "The Apprentice," Brioni supplied Trump with suits to wear on air, but while campaigning, he started paying for them himself.
Trump's assets also include a number of personal residences.
His three homes near Mar-a-Lago in Palm Beach, Florida, are valued at $36 million.
His Beverly Hills, California, home is worth $13 million.
next slide will load in 15 secondsSkip AdSkip AdAnd Trump's St. Martin island abode in the West Indies is valued at $15 million.
Trump purchased the St. Martin property in 2013 for an undisclosed price before listing it for sale four years later for $28 million.
It saw a price gouge since Trump was sworn into office, due to potential buyers wishing to avoid the publicity that would come with purchasing the property, according to local real estate brokers.
Over on the East Coast, Trump's Seven Springs private estate in Bedford, New York, is valued at $30 million. He bought it in 1996 for a reported $7.5 million.
And then there's the Trump Tower Penthouse in the heart of Manhattan valued at $57 million.
next slide will load in 15 secondsSkip AdSkip AdThat's a steep drop from its 2016 valuation of $100 million.
The penthouse is adorned in 24-karat gold and marble a la King Louis XIV.
Even the drinking glasses are rimmed in gold.
Trump also covers his children's schooling.
Barron's tuition at New York's Columbia Grammar and Preparatory School was $40,000 a year.
next slide will load in 15 secondsSkip AdSkip AdWhen Trump's election brought his family and Barron to Washington DC, Barron transferred to St. Andrew's Episcopal School in Maryland. The tuition there also costs about $40,000 a year.
He also reportedly pays Tiffany's way through college and grad school. She currently attends Georgetown Law School, which costs upwards of $58,000.
His divorce with first wife Ivana also cost Trump a pretty penny.
She not only received the initial $10 million from the divorce settlement, but also the 45-room mansion in Greenwich, Connecticut, that the couple shared ...
... an apartment in Trump Plaza ...
next slide will load in 15 secondsSkip AdSkip Ad... $300,000 a year in child support ...
... and annual alimony of $350,000.
There's some speculation about exactly how much Trump has donated to philanthropic causes, but he did donate $1 million of his own money to Hurricane Harvey relief efforts in 2017.