Hundreds of thousands of people flocked to Sydney as the sky was illuminated over the harbor. The display was themed the "city of color," with the bridge as the centerpiece of the show.
Zeduce / Corbis
A ceremony honoring Sydney's indigenous peoples was held before the show began, welcoming them to the country, The Guardian reports.
Australia native Rebel Wilson took to Instagram to pop the cork on 2016.
"Happy New Year from Downunder!!" she wrote.
She also posted a video wishing her 2.2 million followers a Happy New Year as fireworks went off in the background.
"Happy New Year!! Enjoy yourselves and keep safe!! Don't get too trashed!! Just saw a girl peeing in the bushes," she captioned the clip.
In Hong Kong, a breathtaking seven-and-a-half minute fireworks display lit up Victoria Harbour.
Fireworks launched from the Sky Tower in Auckland illuminated the city.
Hundreds of people released balloons in front of Tokyo Tower when the clock struck midnight.
Russians cheered on a brilliant fireworks display in Moscow, before President Vladmir Putin addressed the nation.
The flipping of a giant hourglass signaled the end of 2015 and the beginning of 2016 in Beijing, where confetti filled the sky.
As Big Ben struck midnight, the city's annual fireworks display sparkled over the River Thames.
Like other French cities, Paris scaled back its New Year's Eve celebration, trading its annual fireworks show over the Eiffel Tower for a presentation on the Arc de Triomphe
Bonne année 2016 à toutes et à tous ! pic.twitter.com/eU0EnuLDq1— Anne Hidalgo (@Anne_Hidalgo) December 31, 2015