US President Donald Trump is now known for the lies he tells. He's even been given the "Lie of the Year" award by a fact-checking group.

The 45th President of the United States, Donald Trump, is a prolific liar. So much so, Rolling Stone magazine proclaimed him in April the "liar in chief".

That's not a revelation. Trump didn't start lying when he made it into office. He didn't even start the day he was elected president on November 8, 2016.

He started lying well before that. In 2015, Trump the Pulitzer prize-winning fact-checker PolitiFact gave him the dubious recognition of telling the "Lie of the Year" - although it documents a series of false statements made during his presidential campaign that year.

Trump's series of tall tales have been well documented over the years, and they range from the serious to the trivial. In August, Trump watchers recorded he had made 1000 false or misleading claims since being sworn in on January 20. He was averaging about five a day at that time, according to The Washington Post.

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Let's take a look at some of the "highlights" from the range of lies Trump has told.

RICK WILKING/REUTERS Crowds watch the inauguration ceremonies swearing in Donald Trump as the 45th president of the United States on the West front of the US Capitol in Washington on January 20.

SWEARING-IN BOAST

One of his first big ones as President concerned his swearing-in on January 21 this year. He claimed the crowd stretched down the National Mall to the Washington Monument and totalled more than 1 million people.

He also said 11 million more people viewed it than Barack Obama's in 2013. That wasn't true either.

KEVIN LAMARQUE/REUTERS US President Donald Trump (pictured before he was sworn in) with former US President Barack Obama. He's falsely accused the former US leader of tapping his phones and made claims about Obamacare that aren't true.

Of less consequence was another from that day. He claimed it stopped raining when he began his speech but in reality, it kept raining. The triviality of his lying has been pointed out before.

IMMIGRATION MISINFORMATION

Trump claimed that under previous administrations, it was easy for Muslims to enter the US, while hardly any Christians got in.

In reality, almost as many Christian refugees as Muslim refugees were admitted to the US in 2016.

Less than two weeks out from his swearing-in, he claimed the Obama administration "agreed to take thousands of illegal immigrants from Australia".

What he called a "dumb deal" included 1250 refugees.

He's made a range of false claims about immigration.

VOTING AND CAMPAIGN FALSEHOODS

Trump continually claimed there was widespread voter fraud during the presidential campaign, even though it was proven to have never happened. Even his own campaign attorneys have admitted as much.

Once, he told senators during a meeting that "thousands" of "illegal" voters had travelled to the state of New Hampshire to cast ballots. Commissioner Ellen Weintraub of the Federal Electoral Commission called the claim "astonishing". There's no evidence.

The failing @nytimes was forced to apologize to its subscribers for the poor reporting it did on my election win. Now they are worse! — Donald J. Trump (@realDonaldTrump) February 7, 2017

He claimed he got 306 Electoral College votes and that that number was the biggest victory since Ronald Regan. He got 304. And Barack Obama got 332 in 2012. And 365 in 2008.

Trump called the New York Times a "failing" newspaper and said it had to apologise for its coverage of the election campaign. In fact, it hasn't issued an apology, and since his win, subscriptions skyrocketed.

OBAMA WIRETAPPING CLAIMS

He claimed in March that Barack Obama had phones in Trump Tower tapped before the 2016 election campaign. The US Justice Department has no evidence of that.

He also once said two people were fatally shot during Obama's final speech as president. That's another thing that didn't happen.

Trump has also been fond of a lie about Obamacare he's reportedly used 50 times. He said it was in a death spiral and that it is dead. In reality, the Congressional Budget Office says Obamacare has issues, but it's expected to stay stable.

CRIMINAL LIES

Among his falsehoods are a string regarding crime rates in the US.

He claimed the murder rate was the highest it had been in almost 50 years. In reality, despite a rise in 2015, the rate is still much lower than in the 1980s and 1990s.

At one point, he said "look what's happening last night in Sweden" as he linked migration in Europe to past terror attacks in the region. Nothing had happened.

So Sweden mocked him.

ANYTHING ELSE?

We're just scraping the barrel here. The number of untruthful, misleading or false comments or lies continues to rise.

If you'd like to see a comparison of how Trump's comments stack up as truthful - or not - check out this scorecard. It's got 154 statements under the "false" category and 70 in "pants on fire".

There are only 21 under "true".