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Indicator 6.3.1 – Wastewater treatment

Wastewater collection and treatment help protect freshwater systems, the oceans and also human health, as detrimental pathogens, nutrients and other types of pollution are prevented from entering the environment. Indicator 6.3.1 tracks the proportion of domestic and industrial wastewater flow safely treated in compliance with national or local standards for its intended recipient (e.g. lake, river, ocean or soil) or further use (e.g. in agriculture).

  • 56 % of the world’s household wastewater is safely treated (SDG indicator 6.3.1, 2020)
Data provider:
Available data series:
Proportion of UN Member States reporting on the indicator during the last 5 years:
Proportion of population of UN Member States that are covered by reporting during the last 5 years:
Learn more about the indicator and how it is monitored
Read the latest progress report for an analysis of the current status

The data displayed in the below maps and charts are preliminary estimates (based on data available in August 2018) and may change.

Global status of Indicator 6.3.1 Proportion of domestic and industrial wastewater flow safely treated (2020)

Proportion of wastewater safely treated (%)

Progress over time for Indicator 6.3.1 Proportion of domestic and industrial wastewater flow safely treated

Status in different countries (or areas) on Indicator 6.3.1 Proportion of domestic and industrial wastewater flow safely treated (2020)

  • Australia and New Zealand
  • Eastern and South-Eastern Asia
  • Central and Southern Asia
  • Latin America and the Caribbean
  • Europe and Northern America
  • Sub-Saharan Africa
  • Oceania (excluding Australia and New Zealand)
  • Northern Africa and Western Asia

Status in different SDG regions on Indicator 6.3.1 Proportion of wastewater safely treated (%) (2020)

Regional data are estimates based on country data. Currently, not enough country data are available to produce a statistically sound regional estimate.

Status on different components of Indicator 6.3.1 Proportion of wastewater safely treated (%)

Currently, not enough country data are available to produce statistically sound regional or global estimates. Therefore, the below chart shows data for an individual unnamed country, to illustrate the potential for data disaggregation.

Source data Indicator 6.3.1 Proportion of wastewater safely treated (%)

Country (or area), regional and world data for the latest year of reporting: 2020

Country (or area), region, world 6.3.1 Proportion of domestic and industrial wastewater flow safely treated
YearTotalDomesticServicesIndustrial
Albania202013.35
Algeria202076.17
American Samoa202069.01
Andorra2020100
Argentina202036.48
Armenia202040.08
Australia202076.17
Austria202098.60
Azerbaijan202057.40
Bahrain202095.63
Bangladesh202016.01
Belarus202056.47
Belgium202091.79
Bermuda20201.50
Bhutan202040.99
Bolivia (Plurinational State of)202058.29
Bosnia and Herzegovina202046.80
Brazil202033.03
Bulgaria202079.19
Canada202077.06
Central African Republic20200.57
Chad20202.26
Channel Islands202091.33
Chile202090.53
China202064.78
China, Hong Kong Special Administrative Region202085.66
China, Macao Special Administrative Region202069.50
Colombia202021.26
Costa Rica202023.27
Croatia202060.32
Cuba202024.18
Cyprus202067.19
Czechia202090.13
Democratic Republic of the Congo202012.26
Denmark202095.94
Djibouti202010.93
Ecuador202031.11
Egypt202045.55
El Salvador202012.95
Estonia202091.06
Eswatini202017.91
Faroe Islands20200
Finland202092.28
France202092.50
French Guiana202070.20
Gambia202011.15
Georgia202045.99
Germany202099.26
Ghana202012.13
Gibraltar2020100
Greece202092.65
Greenland202097.23
Guinea-Bissau202021.40
Hungary202089.56
Iceland202073.47
India202026.56
Iran (Islamic Republic of)202022.07
Iraq202037.09
Ireland202083.42
Israel202093.09
Italy202094.74
Japan202097.82
Jordan202082
Kazakhstan202035.67
Kiribati202030.80
Kuwait202084.70
Kyrgyzstan202018.89
Lao People's Democratic Republic202010.10
Latvia202093.15
Libya202016.63
Liechtenstein202098.12
Lithuania202093.35
Luxembourg202096.35
Madagascar20209.30
Malawi20206.48
Malaysia202087.82
Malta202015.36
Mauritius202013.29
Mexico202060.09
Monaco202096.80
Mongolia202010.43
Montenegro202045.07
Morocco202036.14
Nepal202037.20
Netherlands202099.81
New Zealand202085.14
Niger20204
Nigeria202048.29
North Macedonia20209.12
Norway202075.66
Philippines202042.95
Poland202081.85
Portugal202073.58
Puerto Rico202032.50
Qatar202099.55
Republic of Korea202099.53
Republic of Moldova202038.49
Réunion202074.16
Romania202048.32
Russian Federation202012.92
Samoa202046.68
San Marino202090.19
Saudi Arabia202079.64
Senegal202014.17
Serbia202027.05
Sierra Leone20208.39
Singapore2020100
Slovakia202079.79
Slovenia202067.21
South Africa202061.29
Spain202086.02
State of Palestine202096.73
Suriname202023.82
Sweden202095.20
Switzerland202099.20
Thailand202024.40
Togo202015.04
Tonga202028.60
Tunisia202059.73
Turkey202063.33
Tuvalu20202.04
Ukraine202034.29
United Arab Emirates202095.91
United Kingdom of Great Britain and Northern Ireland202098.80
United States of America202091.06
Uzbekistan202032.27
Yemen202034.40
Zimbabwe202022.99
Australia and New Zealand202078.84
Central and Southern Asia202025.46
Eastern and South-Eastern Asia202065.47
Europe and Northern America202080.44
Latin America and the Caribbean202040.84
Northern Africa and Western Asia202062.69
Sub-Saharan Africa202027.60
World202055.50
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