Helpful Information for Searching

Census Dates for Countries and Areas of the World: 1945 to 2014

Dates of census enumerations over the past half century, as well as projected or scheduled enumerations in the near future.

Haiti Geospatial Data Resources

A guide to Tufts Haiti Geospatial Data Repository and for Online Haiti Geospatial Data repositories.

Index of International Statistical Agencies

Maintained by U.S. Census Bureau. Links to National Statistical Agencies across the world.


Administrative Divisions of Countries.  Worldwide reference for states, provinces, governorates, counties, districts, and other subdivisions of countries.

United Nations Statistics Division, 2020 World Population and Housing Census Programme

Facilitates the international exchange and sharing of knowledge and information on census taking, as well as provision of guidance to countries, and monitoring progress on the implementation of the Programme.

Index of National Mapping Agencies

World Heritage Convention

Index of National Mapping Agencies. No longer maintained.

UN Data

Global data portal of some UN Data. Includes list of links to Country Data Services.

Wikipedia List of Mapping Agencies


ACLED (Armed Conflict Location and Events Dataset)

Dataset designed for disaggregated conflict analysis and crisis mapping.  Coded location of all reported conflict events in 50 countries in the developing world from 1997 to 2010.

Afghanistan Data at USGS

Afghanistan Information Management Service

Development of geospatial information, software applications, database solutions, and country maps.

Africa Data Dissemination Service

Data access to the data collected for the Famine Early Warning System Network (FEWS NET) activity, aiming at strengthening the abilities of foreign countries and regional organizations to manage risk of food insecurity through the provision of timely and analytical early warning and vulnerability information.  Data portal.

ASTER Global Digital Elevation Model (ASTER GDEM)

30 meter global digital elevation model

Australian Consortium for the Asian Spatial Information and Analysis Network (ACASIAN)

An academic and applied research activity specializing in Geographical Information System (GIS) databases for Asia (China in particular) and the former Soviet Union. Most of the data are paid data.

Center for International Earth Science Information Network (CIESIN)

CIESIN is the World Data Center for Human Interactions in the Environment, specializing in global and regional network development, science data management, decision support, and training, education and technical consultation services.

CARPE: Central African Regional Program for the Environment

Geospatial data for the Congo Basin.

CIA World Factbook

EarthData (NASA Earth Observatory System Data and Information System)

Gateway to NASA’s global satellite data and derivatives.

EastView Cartographic

Commercial vendor, great source of international topo maps and data.

Empirical Studies of Conflict

Various conflict, insurgency, civil war, and other violence. Afghanistan, COlombia, Iraq, Mexico, Pakistan, Phillipes, Vietnam

Famine Early Warning System

International livelihood analysis and mapping.

FAO Data Clearinghouse

FAO Global Agro-Ecological Zones (GAEZ)

FAO Geoportal – GeoNetwork

GeoNetwork opensource provides internet access to interactive maps, satellite imagery and related spatial databases.


Commercial vendor specializing in international GIS and statistical data.


Site to download Open Street Map into ArcGIS. You don’t get the full OSM dataset though.


Global portal of geospatial data

Geographic Information Support Team (GIST)

Great source of international administrative geography.

GEONet Names Server (GNS)

Get coordinates from NGA’s international place name server.

Gfk GeoMarketing

Commercial vendor, great source of international administrative geography.

Global Administrative Areas (GADM)

Spatial database of the world’s administrative areas (or administrative boundaries)

Global Land Cover Facility (GLCF)

MODIS Landcover 2001-2012. Also more easily available from

Global Landcover 2000

Global landcover datasets from the European Commission Joint Research Centre Global Environment Monitoring Unit.

Global Terrorism Database

An open-source database including information on terrorist events around the world from 1970 through 2010 (with annual updates planned for the future).


The UK portal to spatial data and information.


Humanitarian Data Exchange (HDX)

Index of Humanitarian Information Centers.


World-wide animal data for download, especially animals of the United States, Canada, and the entire Western Hemisphere. Data focusing on the taxonomy, natural history, distribution, and conservation status of vertebrates and selected invertebrates.


Metropolitan extracts of Open Street Map (OSM) data. Complete extract.

NGA Raster Roam Engine

Good for international data.

NOAA Nights at Light Data – DMSP & VIIRS

Global Nights at Light Data.

Pacific Disaster Center, Global Hazards Information Network (GHIN)

Open Street Map

World-wide crowd sourcing street data.

SERVIR’s MesoStor

Mesoamerica’s free data delivery system that allows online access to digital map data of the region (satellite imagery, roads and river coverages, etc.). MesoStor is part of the SERVIR “One Stop Shop” for regional data, dynamic maps, decision support, and interactive visualizations.

Shuttle Radar Topography Mission (SRTM) Digital Elevation Model

30 meter global digital elevation model

UNEP GEO Data Portal

Source for data sets used by UNEP and its partners in the Global Environment Outlook (GEO) report and other integrated environment assessments. Its online database holds more than 500 different variables, as national, subregional, regional and global statistics or as geospatial data sets (maps), covering themes like Freshwater, Population, Forests, Emissions, Climate, Disasters, Health and GDP. Display them on-the-fly as maps, graphs, data tables or download the data in different formats.

UN Data

Global data portal of some UN Data. Includes list of links to Country Data Services.

United Nations Statistics Division

From the website: “The website of the 2010 World Population and Housing Census Programme facilitates the international exchange and sharing of knowledge and information on census taking, as well as provision of guidance to countries, and monitoring progress on the implementation of the Programme.”

U.S. Census Bureau International Programs

International data base created and maintained by the U.S. Census Bureau.


World population raster data for South America, Africa and Asia to support development, disaster response and health applications


Extract Open Street Map (OSM) via zoom and select.