2.9kg Fluro Green Colour Aquarium Gravel

• 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 (2020) growing at a rate of around 1.05 % per year, adding 81 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 2050, and 0.03% 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 2019 Revision - United Nations, Department of Economic and Social Affairs, Population Division (June 2019)
• International Programs Center at the U.S. Census Bureau, Population Division

For more detailed information:

• World Population (Worldometer)

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

Sources and info:

• World Health Statistics - World Health Organization (WHO)
• World Economic Outlook (WEO) - 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:

• 8" Alloy Sanding Plate 5/8" X 16 TPI Mount From Old General El - United Nations
• Global Education Digest - Unesco Institute for Statistics (UIS)
• World Bank Public Expenditure Database - edstats - World Bank

• Alyssa Miller Posing In The Empty Pool 8x10 Picture Celebrity Pr - SIPRI

• Car Production Statistics - International Organization of Motor Vehicle Manufacturers (OICA)
• Global Auto Report [Pdf file] - ScotiaBank
• Light Vehicle Production Forecasts - IHS

• 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 Legacy PL1145, PL5164 And 2 Chargeing Base No Power Cord Parts O data
• Bicycle Retailer and Industry News - Statistics

• Worldwide PC Shipments - Gartner
• Worldwide Quarterly PC Tracker - IDC

• Bowker Book Industry Statistics
• UNESCO Institute for Statistics (UIS) - (United Nations Educational, Scientific and Cultural Organization)

• World Press Trends - World Association of Newspapers and News Publishers (WAN-IFRA)

• Display Search - worldwide leader in display market research

• Gartner
• IDC Telecom and Networks

• Gartner
• DFC Intelligence
• NDP Group - Entertainment Market Research

• World Development Indicators (WDI) - World Bank
• Measuring the Information Society - International Telecommunications Union (ITU)
• comScore
• 16 Channel NVR RJ45 Ethernet Port H.265+ VGA HDMI 5MP IP Network

• The Radicati Group

• Technorati on State of the Blogosphere reports and elaboration of other data
• Cloris Leachman Signed 3x5 Index Card - Automattic Inc.

• Internet Live Stats (InternetLiveStats.com)

• comScore
• Google Inc.

• The number shown above is net of reforestation

• Global Forest Resources Assessment (2010) - FAO

• Dimensions of need: Restoring the land - FAO

• CO2 Emissions shown are from Fossil Fuel Combustion

• International Energy Agency (IEA) Statistics - CO2 Emissions from Fuel Combustion
• Emission Database for Global Atmospheric Research (EDGAR)
• Carbon Dioxide Information Analysis Center (CDIAC) - United States Department of Energy
• U.S. Energy Information Administration (EIA)

• United Nations Convention to Combat Desertification

• The State of Food Insecurity in the World - FAO

• Obesity and overweight - World Health Organization (WHO)

• Obesity and overweight - World Health Organization (WHO)

• Hunger Stats - United Nations World Food Programme
• World Health Report - World Health Organization (WHO)
• The State of the World's Children - United Nations Children's Fund (UNICEF)

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)
• World Water Council

• BP Statistical Review of World Energy - British Petroleum
• World Energy Consumption - Wikipedia

• International Energy Agency (IEA) Statistics

• Renewables Global Status Report - REN21

• Energy: A beginner's guide - Vaclav Smil
• Solar Energy - Wikipedia

• Barrel = 42 Gallons = 159 Liters

Sources and info:

• World Proved Reserves of Oil and Natural Gas, Most Recent Estimates - Energy Information Administration (EIA) - Data from BP Statistical Review, Oil & Gas Journal, World Oil, BP Statistical Review, CEDIGAZ, and Oil & Gas Journal.

• World Proved Reserves of Oil and Natural Gas, Most Recent Estimates - 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:

• World Proved Reserves of Oil and Natural Gas, Most Recent Estimates - 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:

• World Proved Reserves of Oil and Natural Gas, Most Recent Estimates - Energy Information Administration (EIA) - Data from BP Statistical Review, Oil & Gas Journal, World Oil, BP Statistical Review, CEDIGAZ, and Oil & Gas Journal.

• Global Burden of Disease (GBD) - World Health Organization (WHO)

• Every year an estimated 290,000 to 650,000 people die in the world due to complications from seasonal influenza (flu) viruses.
• This figure corresponds to 795 to 1,781 deaths per day due to the seasonal flu.

Sources and info:

• Seasonal flu death estimate increases worldwide - CDC
• Up to 650 000 people die of respiratory diseases linked to seasonal flu each year - World Health Organization (WHO)

• Young child survival and development - UNICEF
• Child Mortality - Childinfo (UNICEF)

• Sexual and reproductive health - World Health Organization (WHO)
• Shah, I.; Ahman, E. (December 2009). "Unsafe abortion: global and regional incidence, trends, consequences, and challenges" (Pdf). Journal of Obstetrics and Gynaecology Canada 31 (12): 1149–58. PMID 20085681

• Why do so many women still die in pregnancy or childbirth? - World Health Organization (WHO)
• Maternal mortality for 181 countries, 1980—2008: a systematic analysis of progress towards Millennium Development Goal 5

• HIV/AIDS Statistics - World Health Organization
• Global HIV and AIDS estimates - AVERT

• Cuisinart DGB-1 Single Cup Grind & Brew Coffeemaker - Black/Silv

• Cancer - World Health Organization (WHO)

• Malaria - World Health Organization (WHO)

• Cigarette Consumption - Tobacco Atlas [Pdf] - World Health Organization (WHO)

• Tobacco Control, Global Health Observatory (GHO) - World Health Organization (WHO)

• Global Information System on Alcohol and Health (GISAH) - World Health Organization (WHO)

• Suicide prevention (SUPRE) - World Health Organization (WHO)

• The illegal drugs global business - Frontline, PBS special report

• Global launch of the Decade of Action for Road Safety 2011-2020 - World Health Organization (WHO)