The United Nations Population Fund designated 12 October 1999, as the approximate day on which

world population In demographics, the world population is the total number of humans currently living. It was estimated by the United Nations to have exceeded 8 billion in November 2022. It took over 200,000 years of human prehistory and history for the ...

reached six billion following the birth of Adnan Mević, the first son of Fatima Helać and Jasminko Mević, in

Sarajevo Sarajevo ( ; cyrl, Сарајево, ; ''see Names of European cities in different languages (Q–T)#S, names in other languages'') is the Capital city, capital and largest city of Bosnia and Herzegovina, with a population of 275,524 in its a ...

Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...

.
"Nević" is a common misspelling of Adnan's name;

Bosnian language Bosnian (; / , ) is the standardized variety of the Serbo-Croatian pluricentric language mainly used by ethnic Bosniaks. Bosnian is one of three such varieties considered official languages of Bosnia and Herzegovina, along with Croatian and ...

sources tend to use "Mević". It was officially designated The Day of Six Billion. Demographers do not universally accept this date as being exact. In fact there has been subsequent research which places the day of six billion to be nearer to 18 or 19 June 1999. Adnan Mević, born in

Bosnia-Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and Pars pro toto#Geography, often known informally as Bosnia, is a country at the crossroads of Southern Europe, south and southeast Euro ...

, 12 October 1999, was chosen by the

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...

as the symbolic 6 billionth concurrently alive person on

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...

. He is the first son of Fatima Mević, and her husband Jasminko Mević. The child was born weighing 3.5 kilograms in the Koševo hospital in the capital of Bosnia and Herzegovina. He had been proclaimed by the United Nations Population Fund and welcomed by the secretary-general of the United Nations, Kofi Annan, as the six billionth baby. He was born on the designated day two minutes after midnight.World UN chief welcomes six billionth baby
/ref>

See also