Google page has posted this: "A mammoth pile of balloons? Check. A ton of party hats? Check. A herd of friends and family ready to countdown? Check. Let the New Year’s Eve festivities commence! At the stroke of midnight, it’s out with the old and in with the new. We’ll sing that song "Should old acquaintance be forgot," but there’s no need to worry about our purple friends. Elephants never forget."
Australia's largest city Sydney will put on its biggest-ever fireworks display to welcome the New Year and kick off a wave of celebrations for billions around the world.
Japanese will flock to temples to ring in the New Year, while US boxer Floyd Mayweather Jr will take on local kickboxer Tenshin Nasukawa in a bout staged outside Tokyo.
Hong Kong: Glittering fireworks will be sent skyward from five barges floating in Victoria Harbour in a 10-minute display watching by 300,000 people on the foreshore.
Moscow: Concerts and light shows will be held across the city's parks and more than 1,000 ice rinks have been opened for merrymakers.
Paris: A fireworks display and sound and light show under the theme "fraternity" is set to go ahead on the Champs-Elysees despite plans for further "yellow vest" anti-government protests at the famed avenue.
Berlin: Music lovers will party at a concert at the Brandenburg Gate, but a popular German tradition of setting off fireworks to mark the occasion has been banned in some other cities over safety concerns.
London: Britain's capital will usher in the New Year by celebrating its relationship with Europe amid turmoil over the Brexit referendum vote to leave the union, with the fireworks display at the London Eye to feature music from the continent's artists.
Edinburgh: The Scottish capital's traditional Hogmanay celebrations will also take on a pro-European theme ahead of the year in which Britain is due to exit the EU.
As the world parties, many will also look forward to 2019 and wonder whether the turmoil witnessed during the previous year will spill over into the next.
The political wrangling in Westminster over Brexit was one of the key stories of this year, with a resolution yet to be reached ahead of the scheduled March 29 departure from the EU.
US President Donald Trump dominated headlines in 2018 as he ramped up his trade war with China, quit the Iran nuclear deal, moved the American embassy to Jerusalem and met his North Korean counterpart Kim Jong Un in Singapore for a historic summit.
North Korea's commitment to denuclearisation will remain a major political and security issue into next year, as will Syrian President Bashar al-Assad's reassertion of control after Trump's shock military withdrawal announcement.
The war in Yemen, which started in 2014 and has already killed about 10,000 people and left some 20 million at risk of starvation, could take a crucial turn after a ceasefire took effect in mid-December.
(With inputs from agencies)