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Open data portals

Open data portals

Vizzie connects to 170 open-data portals across 28 countries — national catalogues, state and city portals, and global sources. Pick one to see its live dataset count, licence profile, and top publishers, then turn any dataset into a map. Nothing to download.

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The full list

Every portal, by country.

United States
Data.gov552,271
State of California (data.ca.gov)4,569
Massachusetts (MassGIS)3,349
NYC Open Data2,400
Washington, DC (Open Data DC)1,885
State of Maryland (opendata.maryland.gov)1,538
State of Vermont (geodata.vermont.gov)1,131
CDC (data.cdc.gov)1,078
State of Washington (data.wa.gov)1,061
Commonwealth of Virginia (VGIN)1,040
State of New York (data.ny.gov)1,030
State of Hawaii (opendata.hawaii.gov)976
City of Baltimore974
City of Chicago915
State of Texas (data.texas.gov)826
SACOG726
City of Austin707
City & County of San Francisco666
City of Indianapolis651
State of Connecticut (data.ct.gov)648
State of Colorado (data.colorado.gov)639
Utah Geospatial Resource Center (UGRC)606
State of Oregon (data.oregon.gov)527
Cook County, IL522
Louisville Metro Open Data518
Montgomery County, MD471
OpenDataPhilly (City of Philadelphia)468
North Carolina (NC OneMap)450
CMAP383
City of Charlotte383
Commonwealth of Pennsylvania (data.pa.gov)372
Western Pennsylvania Regional Data Center (Pittsburgh)371
City of Los Angeles361
City of Portland, OR (PortlandMaps)354
City of Detroit353
City & County of Denver344
City of Dallas342
City of Oakland313
State of Illinois (data.illinois.gov)297
City of Minneapolis283
City of Cambridge, MA281
King County, WA268
State of Missouri (data.mo.gov)263
State of Michigan (data.michigan.gov)244
City of Boston (Analyze Boston)234
City of New Orleans209
MTC/ABAG207
City of Kansas City, MO202
City of Raleigh202
PSRC201
City of Tampa200
State of Florida (Florida GeoData)196
NCTCOG195
City of Tucson194
City of Milwaukee186
City of Houston (Houston Public Works)185
State of Delaware (data.delaware.gov)173
City of Boulder, CO173
City of San José170
Nashville / Davidson County168
City of San Antonio163
City of Sacramento151
City of Seattle146
City of Phoenix Open Data143
US DOT142
City of Buffalo138
City of Hartford128
City of Providence, RI121
State of New Jersey (data.nj.gov)114
HUD Open Data112
City of Cincinnati102
EPA Environmental Dataset Gateway100
City & County of Honolulu70
City of Memphis69
City of Columbus, OH69
City of Fort Worth49
SCAG35
City of Richmond, VA31
City of Long Beach15
Australia
Queensland Government (data.qld.gov.au)188,850
data.gov.au141,031
New South Wales Government (data.nsw.gov.au)17,084
Victorian Government (data.vic.gov.au)5,596
Western Australian Government (data.wa.gov.au)2,889
South Australian Government (data.sa.gov.au)1,916
Northern Territory Government (data.nt.gov.au)1,074
Digital Atlas of Australia777
Logan City Council Open Data503
Brisbane City Council Open Data446
Moreton Bay Regional Council Open Data429
ACT Government (data.act.gov.au)391
City of Melbourne Open Data239
Transport for NSW Open Data230
City of Sydney Open Data191
City of Launceston Open Data102
Canada
open.canada.ca47,796
British Columbia (catalogue.data.gov.bc.ca)3,358
Government of Ontario (data.ontario.ca)2,957
Données Québec1,609
Nova Scotia (data.novascotia.ca)712
City of Ottawa Open Data685
City of Toronto Open Data556
City of Calgary Open Data418
Ville de Montréal405
Halifax Regional Municipality350
City of Winnipeg Open Data235
City of Vancouver Open Data198
Prince Edward Island94
Global
Harvard Dataverse303,349
NASA Open Data (data.nasa.gov)36,251
UN OCHA28,239
World Bank Data Catalog (global development data)—
OECD Data Portal (economy, education, health, environment)—
UNICEF Data Warehouse (child health, education, poverty)—
WHO Global Health Observatory (health indicators, all countries)—
DHS Program (demographic & health surveys, developing world)—
UN SDG Global Database (Sustainable Development Goals indicators)—
Our World in Data—
France
data.gouv.fr73,641
Toulouse Métropole Open Data844
Rennes Métropole Open Data681
Nantes Métropole Open Data590
Bordeaux Métropole Open Data562
Paris Open Data (opendata.paris.fr)490
India
data.gov.in181,260
Tamil Nadu Open Data19,580
Karnataka Open Data7,747
Smart Cities Mission Data Portal (95 cities)5,291
OpenCity1,092
New Zealand
data.govt.nz31,964
Wellington City Council Open Data491
Christchurch City Council Open Data481
Canterbury Maps (regional)481
Auckland Council Open Data235
United Kingdom
data.gov.uk60,500
London Datastore (Greater London Authority)1,299
Bristol City Council Open Data223
Ordnance Survey Data Hub26
London Borough of Camden—
Germany
Hamburg Transparency Portal (transparenz.hamburg.de)237,068
GovData156,211
Berlin Open Data (daten.berlin.de)2,623
Munich Open Data (opendata.muenchen.de)337
Finland
avoindata.fi2,560
Helsinki Region Infoshare (hri.fi)549
City of Tampere Open Data100
Japan
BODIK18,383
Tokyo Metropolitan Government Open Data9,656
City of Yokohama Open Data654
Belgium
City of Antwerp Open Data520
City of Ghent Open Data307
Ireland
data.gov.ie22,619
Smart Dublin Open Data930
Spain
Madrid Open Data (datos.madrid.es)672
Barcelona Open Data (Ajuntament de Barcelona)555
Switzerland
opendata.swiss16,451
City of Zurich (data.stadt-zuerich.ch)1,008
Argentina
datos.gob.ar1,273
Asia-Pacific (regional)
ADB Key Indicators Database (Asia & the Pacific)—
Austria
data.gv.at73,339
European Union
data.europa.eu1,722,866
Greece
data.gov.gr22,609
Italy
dati.gov.it65,865
Latvia
data.gov.lv1,557
Luxembourg
data.public.lu3,178
Netherlands
data.overheid.nl20,381
Portugal
dados.gov.pt20,896
Romania
data.gov.ro5,225
Singapore
data.gov.sg4,616
Slovenia
podatki.gov.si9,021