In Sydney, Australia, party-goers counted down to midnight, when a gong sparked off a massive sound and light display on the Harbour Bridge
Classical music was played to the firework display followed by music from Kylie and INXS
In Tokyo, Japan, worshippers strike a giant bell at a Buddhist temple to celebrate the New Year
And Japanese people release balloons to celebrate the arrival of 2004
In Hong Kong, people use balloons and confetti to help bring in the New Year
Thousands of people gathered to see the fireworks in London
The displays from the Millennium Wheel were spectacular
Hundreds of thousands of party-goers gathered for the 100th annual New Year celebrations in New York's Time Square
Everyone cheered as confetti and fireworks were released at midnight
Fireworks explode over Copacabana Beach in Rio de Janeiro, Brazil
Every year crowds gather in Copenhagen to hear the last strokes of the Town Hall clock ending the year
Spectators watch fireworks in front of the Palace Kultury in Warsaw, Poland
Fireworks at the St Basil Cathedral during the New Year's celebration at the Red Square in Moscow
Spectators watched fireworks in front of the Brandenburg Gate in Berlin, Germany.
Thanks to the BBC website.