Here’s what to expect.

What’s the presidential inauguration?

The day will end with three inaugural balls.

Who’s on the guest list?

A number of world leaders and Trump supporters are also expected to attend, according to Reuters.

Billionaires Elon Musk, Jeff Bezos and Mark Zuckerberg are expected to have prominent seats at the ceremony.

A four-day celebration

Carrie Underwood, The Village People, and Rascal Flatts are slated to perform at the inauguration celebrations.

The swearing-in ceremony on Monday will feature country music superstar Carrie Underwood singing “America the Beautiful”. Credit: Charles Sykes/Charles Sykes/Invision/AP

On Sunday, the night before the inauguration, Trump will hold a campaign-style ‘Make America Great Again Victory Rally’ at a downtown Washington arena.

The official inaugural activities will conclude on Tuesday with a national prayer service.

Who pays for the inauguration?

Trump raised a record US$106.7 million ($172 million) for his 2017 inauguration festivities. His committee has raised more than US$170 million ($275 million) this time, according to local media.

How Australians can watch Donald Trump’s inauguration

Or catch up later, also via SBS On Demand.