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When did Earth have 4 billion people?

1974 Global billionth milestones The days of three and four billion were not officially noted, but the International Database of the United States Census Bureau places them in July 1960 and April 1974 respectively.

en.wikipedia.org - World population milestones - Wikipedia

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Notable milestones in the development of the world population

World population milestones went unnoticed until the 19th century, since there was no reliable data on global population dynamics.[2]

It is estimated that the population of the world reached

one billion for the first time in 1804;

for the first time in 1804; two billion in 1927, 123 years later;

in 1927, 123 years later; three billion in 1960, 33 years later;

in 1960, 33 years later; four billion in 1974, 14 years later;

in 1974, 14 years later; five billion in 1987, 13 years later;

in 1987, 13 years later; six billion in 1999, 12 years later;

in 1999, 12 years later; seven billion in 2011, 12 years later;

in 2011, 12 years later; eight billion in 2022, 11 years later

[3]

Old estimates put the global population at 9 billion by 2037–2046, 15 years after 8 billion and 10 billion by 2054–2071, 17 years after 9 billion, with alternative scenarios ranging from a low of 7.4 billion to a high of more than 10.6 billion by the 2050s and beyond, however these milestones are likely to be reached far sooner.[4][needs update] Projected figures vary depending on underlying statistical assumptions and which variables are manipulated in projection calculations, especially the fertility variable. Long-range predictions to 2150 range from a population decline to 3.2 billion in the 'low scenario', to 'high scenarios' of 24.8 billion. One scenario predicts a massive increase to 256 billion by 2150, assuming fertility remains at 1995 levels.[5] World population milestones in billions (UN estimates)[6] Population 1 2 3 4 5 6 7 8 9 10 Year 1804 1927 1960 1974 1987 1999 2011 2022 2037 2054 Years elapsed — 123 33 14 13 12 12 11 15 17 World population milestones in billions (USCB estimates) Population 1 2 3 4 5 6 7 8 9 10 Year 1804 1927 1960 1974 1987 1999 2011 2022 2046 2071 Years elapsed — 123 33 14 13 12 12 11 24 25

Global billionth milestones [ edit ]

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There is no estimation for the exact day or month the world's population surpassed the one and two billion marks. The days of three and four billion were not officially noted, but the International Database of the United States Census Bureau places them in July 1960 and April 1974 respectively.[citation needed]

Five billion [ edit ]

The Day of Five Billion, 11 July 1987, was designated by the United Nations Population Fund as the approximate day on which the world population reached five billion. Matej Gašpar from Zagreb, Croatia (then SR Croatia, SFR Yugoslavia), was chosen as the symbolic 5-billionth person alive on Earth. The honor went to Zagreb because the 1987 Summer Universiade was taking place in the city at the time.[7][8]

Six billion [ edit ]

The United Nations Population Fund designated 12 October 1999 as the approximate day on which the world population reached six billion.[9] 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 nearer to 18 June or 19 June 1999.[10] The International Programs division of the United States Census Bureau estimated that the world population reached six billion on 21 April 1999.[citation needed] United Nations Population Fund spokesman Omar Gharzeddine disputed the date of the Day of Six Billion by stating, "The U.N. marked the '6 billionth' [person] in 1999, and then a couple of years later the Population Division itself reassessed its calculations and said, actually, no, it was in 1998."[11] On the Day of Six Billion, UN Secretary-General Kofi Annan was in Sarajevo, Bosnia and Herzegovina to monitor the Dayton Agreement.[12] At midnight he went to Koševo Hospital, where Adnan Mević, born at 12.01 am, was named the symbolic 6 billionth concurrently alive person on Earth.[9][12][13] He is the first son of Fatima Mević and Jasminko Mević and weighed 3.5 kg.[13]

Seven billion [ edit ]

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The "Day of Seven Billion" was targeted by the United States Census Bureau to be in March 2012,[14] while the Population Division of the United Nations suggested 31 October 2011,[15] and the latter date was officially designated by the United Nations Population Fund (UNFPA) as the approximate day on which the world's population reached seven billion people.[16] United Nations Secretary General Ban Ki-moon spoke at the United Nations building in New York City on this milestone in the size of world population, and promoted the website 7 Billion Actions.[17][18] Ban Ki-moon did not choose a symbolic seven billionth baby, but several groups proposed candidates: Nargis Kumar of Uttar Pradesh, India,[19] Danica May Camacho of Manila, Philippines[20] and Wattalage Muthumai of Colombo, Sri Lanka.[21]

Eight billion [ edit ]

The "Day of Eight Billion" was targeted by the United Nations Department of Economic and Social Affairs, Population Division to be on 15 November 2022.[22] Among babies born that day who were symbolically named as the world's eight billionth by various government agencies were: Vinice Mabansag (Tondo, Manila, Philippines);[23][24] Damián Ferrera (Santo Domingo, Dominican Republic);[23] and Arpi Kocharyan (Tsovinar, Armenia).[25]

National and regional population [ edit ]

National or subnational governments have sometimes made similar designations based on the date estimated by a demographic agency. Some national milestones relate to citizens rather than residents. Commentators in countries with high immigration have pointed out that a population milestone may be reached by an immigrant rather than natural increase.[26][27]

When did Earth have 4 billion people?

What is the first most popular birthday?

How much wealth should you have at 40?

Awaken your dormant DNA ability to attract wealth effortlessly

Notable milestones in the development of the world population

It is estimated that the population of the world reached

one billion for the first time in 1804;

in 1927, 123 years later; three billion in 1960, 33 years later;

in 1960, 33 years later; four billion in 1974, 14 years later;

in 1974, 14 years later; five billion in 1987, 13 years later;

in 1987, 13 years later; six billion in 1999, 12 years later;

in 1999, 12 years later; seven billion in 2011, 12 years later;

in 2011, 12 years later; eight billion in 2022, 11 years later

[3]

Global billionth milestones [ edit ]

Which zodiac holds grudges?

How do you know when something is about to manifest?

Awaken your dormant DNA ability to attract wealth effortlessly

Five billion [ edit ]

Six billion [ edit ]

Seven billion [ edit ]

How can a broken person make money?

Why is the 1943 penny rare?

Awaken your dormant DNA ability to attract wealth effortlessly

Eight billion [ edit ]

National and regional population [ edit ]

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