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• has reached 7 billion on October 31, 2011.
• is projected to reach 8 billion in 2023, 9 billion in 2037, and 10 billion people in the year 2055.
• has doubled in 40 years from 1959 (3 billion) to 1999 (6 billion).
• is currently (2019) growing at a rate of around 1.07 % per year, adding 82 million people per year to the total.
• growth rate reached its peak in the late 1960s, when it was at 2.09%.
• growth rate is currently declining and is projected to continue to decline in the coming years (reaching below 0.50% by 2052, and 0.09% in 2100) .
• a tremendous change occurred with the industrial revolution: whereas it had taken all of human history up to the year 1800 for world population to reach 1 billion, the second billion was achieved in only 130 years (1930), the third billion in 30 years (1960), the fourth billion in 15 years (1974), the fifth billion in 13 years (1987), the sixth billion in 12 years (1999) and the seventh billion in 12 years (2011). During the 20th century alone, the population in the world has grown from 1.65 billion to 6 billion.

Sources for the world population counter:

• World Population Prospect: the 2017 Revision - United Nations, Department of Economic and Social Affairs, Population Division (June 21, 2017)

For more detailed information:

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• Total global healthcare expenditure represent around 9% of world GDP
• Government portion of healthcare expenditure is around 60%

Sources and info:

• NWT RALPH LAUREN POLO WOMENS SUEDE LEATHER FRINGE BLACK SANDALS FLIP FLOPS 10 B - World Health Organization (WHO)
• Pointer Soma Full Grain Leather Pumps Hi Top Boot in Tobacco Sale - International Monetary Fund (IMF)
• World Development Indicators (WDI) - World Bank

• Public spending on education in the world is around 5% of global GDP

Sources and info:

• Human Development Report - United Nations
• Palladium Pallaville Hi Mens High Top Canvas Ankle Boot Black Grey Beige Men 11 - Unesco Institute for Statistics (UIS)
• PIERRE CARDIN Men Brn Leather Ankle Pull On Dress Comfort Boot shoes Sz 9 M nice - edstats - World Bank

• SIPRI military expenditure data - SIPRI

• As recently as 1965, bicycle and car production volumes were essentially the same, at nearly 20 million each per year, but as of 2003 bike production had climbed to over 100 million per year compared with around 50 million cars produced that year.

Sources and info:

• Elaboration of data
• Bicycle Retailer and Industry News - Statistics

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• Sam Edelman Women's Size 9 Heels Anabeth Napa Fringe Ivory - International Telecommunications Union (ITU)

• Saucony Omni 16 S20370-2 Men Size 10 Navy Red reports and elaboration of other data
• Automattic Inc.

• Internet Live Stats (InternetLiveStats.com)

• The number shown above is net of reforestation

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• CO2 Emissions shown are from Fuel Combustion

• Skechers Mens Walking shoes Size 7.5 (4E) - United States Department of Energy

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Quick Facts:

• Withdrawals for irrigation are nearly 70% of the total withdrawn for human uses, those for industry 20%, and those for municipal use about 10%

Sources and info:

• Global Water Outlook to 2025 - International Food Policy Research Institute (IFPRI) and the International Water Management Institute (IWMI)

• Renewables Global Status Report - REN21

• Barrel = 42 Gallons = 159 Liters

Sources and info:

• BED STU Soto Brown Tan Sandals shoes Sz 6 - Energy Information Administration (EIA) - Data from BP Statistical Review, Oil & Gas Journal, World Oil, BP Statistical Review, CEDIGAZ, and Oil & Gas Journal.

• Energy Information Administration (EIA) - Data from BP Statistical Review, Oil & Gas Journal, World Oil, BP Statistical Review, CEDIGAZ, and Oil & Gas Journal.

• If consumed at current rates

Sources and info:

• Preworn Womens EU Size 41 Black Leather Knee-High Boots - Energy Information Administration (EIA) - Data from BP Statistical Review, Oil & Gas Journal, World Oil, BP Statistical Review, CEDIGAZ, and Oil & Gas Journal.

• Boe = barrel of oil equivalent

Sources and info:

• Energy Information Administration (EIA) - Data from BP Statistical Review, Oil & Gas Journal, World Oil, BP Statistical Review, CEDIGAZ, and Oil & Gas Journal.

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• Shah, I.; Ahman, E. (December 2009).CONVERSE JACK PURCELL CLASSIC LOW TOP 1Q699. Journal of Obstetrics and Gynaecology Canada 31 (12): 1149–58. PMID 20085681

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