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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)

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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:

• Giani Bernini Frauen Blankaa Peep Toe Slingback Wildleder Klassische Pumps Schwa - World Health Organization (WHO)
• Giani Bernini Parisaa, Mocasín womenes - 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
• Gianni Bini Size 9M Floral Platform Dress Sandals Pink Platform Heel NWT Reg 90 - Unesco Institute for Statistics (UIS)
• Gino Ventori Black shoes Size 38 199 - 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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• Escarpins Lacés COSMOPARIS Tout Cuir brown T 40 BE 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

• Florsheim Mens Wingtip Brogue Perforated Dirty White Lace Up Oxfords shoes 9 D - United States Department of Energy

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• 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:

• women Franco Sarto shoes Loafer color black Black Calf size 35.5 EU 5 - 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:

• Florsheim (Men's Size 9.5 E) Dress Work shoes Oxford Lace-up Black Leather - 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).Enzo Angiolini Stiletto Heels Women Size 8 M Snake Skin Sequins gold Brown. Journal of Obstetrics and Gynaecology Canada 31 (12): 1149–58. PMID 20085681

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