German Chancellor Angela Merkel.
Japanese Prime Minister Shinzo Abe.
Chinese Vice President Wang Qishan.
Wang will lead the Chinese delegation to the World Economic Forum event, according to the South China Morning Post, meaning Xi Jinping will not be attending.
Prince William.
Britain's future King will interview naturalist Sir David Attenborough about "inspiring generations of people to become champions for nature."
next slide will load in 15 secondsSkip AdSkip AdJair Bolsonaro, president of Brazil.
Bolsonaro was only elected in late October, meaning Davos will be his first major engagement on the international stage. "I will show our desire to trade with everyone, valuing economic freedom, bilateral agreements and fiscal balance. With these pillars, Brazil will go towards full employment and prosperity," he said.
Israeli Prime Minister Benjamin Netanyahu.
New Zealand Prime Minister Jacinda Ardern.
Italian Prime Minister Giuseppe Conte.
Sebastian Kurz, the chancellor of Austria.
next slide will load in 15 secondsSkip AdSkip AdLeo Varadkar, Taoiseach of the Republic of Ireland.
Pedro Sanchez, prime minister of Spain.
South African President Cyril Ramaphosa.
Mark Rutte, prime minister of the Netherlands.
Iraq's President Barham Salih.
next slide will load in 15 secondsSkip AdSkip AdAfghanistan's President Ashraf Ghani.
Norway's Prime Minister Erna Solberg.
Emmerson Mnangagwa, president of Zimbabwe.
Ivan Duque, president of Colombia.
Belgium Prime Minister Charles Michel.
next slide will load in 15 secondsSkip AdSkip AdQueen Máxima of the Netherlands, and the UN secretary-general's special advocate for inclusive finance.
US President Donald Trump is among those staying at home.
French President Emmanuel Macron also won't be going.
Macron's busy domestic agenda, dealing with the fallout from the so-called Yellow Vest protests, will keep him away from Switzerland.
British Prime Minister Theresa May: Another leader dealing with domestic chaos.
May is yet to confirm if she will be attending. The British leader is pretty busy at the moment after her Brexit deal suffered a catastrophic defeat in Parliament and the UK's 29 March EU departure date looming.
Will Vladimir Putin be in town? We're not yet sure.
The Kremlin has hinted that Putin may travel to Davos. According to state-owned RT, presidential spokesman Dmitry Peskov said "nothing is excluded" when asked if Putin will make an appearance at the World Economic Forum event.