Ecuador

Venezuela

Latin America

Algeria

Iran

Iraq

Kuwait

Libya

Qatar

Saudi Arabia

United Arab Emirates

Southwest Asia and North Africa

Angola

Equatorial Guinea

Gabon

Nigeria

Republic of the Congo

Sub-Saharan Africa

A map highlights the O P E C members such as Iran, Iraq, Saudi Arabia, Libya, Algeria, Nigeria Angola, Venezuela, and Ecuador shaded in blue.

Member states of Organization of the Petroleum Exporting Countries (OPEC), an international cartel founded in 1960 to coordinate petroleum production among its members

Countries

World

OPEC

Organization of the Petroleum Exporting Countries (OPEC) Members

Austria

Belgium

Cyprus

Estonia

Finland

France

Germany

Greece

Ireland

Italy

Latvia

Lithuania

Luxembourg

Malta

Netherlands

Portugal

Slovakia

Slovenia

Spain

Europe

A world map highlights (blue) the members of the European Monetary Union: Ireland, Portugal, Spain, France, Belgium, Luxembourg, Netherlands, Italy, Germany, Austria, Slovenia, Slovakia, Finland, Estonia, Latvia, Lithuania, Greece, and Cyprus.

Current members of the European Monetary Union

European Union

European Monetary Union (“Euroland”)

Abbeville

Acadia

Accomack

Adair

Adams

Addison

Adjuntas

Aguada

Aguadilla

Aguas Buenas

Aibonito

Aiken

Aitkin

Alachua

Alamance

Alameda

Alamosa

Albany

Albemarle

Alcona

Alcorn

Aleutians East Borough

Aleutians West Census Area

Alexander

Alexandria City

Alfalfa

Alger

Allamakee

Allegan

Allegany

Alleghany

Allegheny

Allen

Allendale

Alpena

Alpine

Amador

Amelia

Amherst

Amite

Añasco

Anchorage Municipality

Anderson

Andrew

Andrews

Androscoggin

Angelina

Anne Arundel

Anoka

Anson

Antelope

Antrim

Apache

Appanoose

Appling

Appomattox

Aransas

Arapahoe

Archer

Archuleta

Arecibo

Arenac

Arkansas

Arlington

Armstrong

Aroostook

Arroyo

Arthur

Ascension

Ashe

Ashland

None

Vacant housing units in the U.S.: The highest vacant housing regions (dark blue) are in Alaska, parts of Montana, and Wyoming. Most regions in the Midwest (Illinois, Indiana, Ohio) and Southeast (Georgia, Florida) have lower vacancy rates (light blue).

Percentage of housing in the United States that is vacant, excluding seasonal, recreational, or occasional use

US Counties

North America

U.S. Census Bureau

Vacant Housing Units (U.S.)

Anthropogenic Biomes

Areas at Risk of Soil Degradation

Average Annual Precipitation

Biomes

Climate Zones

Global Mean Temperature, January

Global Mean Temperature, July

Global Surface Warming: Worst-Case Projections (NASA)

Insolation

Land Cover

Major Soil Orders

Prevailing Agricultural Practices

World Elevations

Organization of the Petroleum Exporting Countries (OPEC) Members	European Monetary Union (“Euroland”)	Vacant Housing Units (U.S.)
Value	Value	Class	Rank	Value