Sources:

• 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

More info:

• World Population (Worldometer)

"este año" = de enero 1 (00:00) a este momento

"hoy" = desde el comienzo del día a ahora

Crecimiento poblacional = nacimientos - muertes

fuentes e información:

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

hechos rápidos:

• 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.

fuentes e información:

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

fuentes e información:

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

fuentes e información:

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

fuentes e información:

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

fuentes e información:

• Display Search - worldwide leader in display market research

fuentes e información:

• Gartner
• IDC Telecom and Networks

fuentes e información:

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

fuentes e información:

• World Development Indicators (WDI) - World Bank
• Measuring the Information Society - International Telecommunications Union (ITU)
• comScore
• GfK group

fuentes e información:

• The Radicati Group

fuentes e información:

• Technorati on State of the Blogosphere reports and elaboration of other data
• WordPress Stats - Automattic Inc.

fuentes e información:

• Internet Live Stats (InternetLiveStats.com)

fuentes e información:

• comScore
• Google Inc.

hechos rápidos:

• The number shown above is net of reforestation

fuentes e información:

• Global Forest Resources Assessment (2010) - FAO

hechos rápidos:

• CO2 Emissions shown are from Fuel Combustion

fuentes e información:

• International Energy Agency (IEA) Statistics
• Carbon Dioxide Information Analysis Center (CDIAC) - United States Department of Energy
• U.S. Energy Information Administration (EIA)

fuentes e información:

• United Nations Convention to Combat Desertification

fuentes e información:

• The State of Food Insecurity in the World - FAO

fuentes e información:

• Obesity and overweight - World Health Organization (WHO)

fuentes e información:

• Obesity and overweight - World Health Organization (WHO)

fuentes e información:

• 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)

fuentes e información:

• International Energy Agency (IEA) Statistics

fuentes e información:

• Renewables Global Status Report - REN21

hechos rápidos:

• barril = 159 litros

fuentes e información:

• 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.

fuentes e información:

• 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.

hechos rápidos:

• boe = barril de petróleo equivalente
• "gas" = gas natural

fuentes e información:

• 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.

fuentes e información:

• 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

fuentes e información:

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

fuentes e información:

• UNAIDS

fuentes e información:

• Cancer - World Health Organization (WHO)

fuentes e información:

• Malaria - World Health Organization (WHO)

fuentes e información:

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