% of public schools of basic education that have no access to sewage in Piauí

Piauí: % of public schools of basic education that have no access to sewage was 4.8 in 2025. ▼ Falling

Latest (2025)
4.8
Change on year
down 26.2%
Rank
4th
of 11 groups
All-time high
16
in 2010
All-time low
4.8
in 2025
Years of data
16
2010–2025

% of public schools of basic education that have no access to sewage in Piauí, 2010–2025

57.51012.5152010201720252010: 162011: 14.82012: 14.32013: 12.62014: 12.22015: 11.52016: 10.22017: 8.92018: 7.32019: 12.62020: 10.62021: 9.82022: 9.22023: 8.92024: 6.52025: 4.8

Source: UNICEF.

Analysis

In 2025, % of public schools of basic education that have no access to sewage in Piauí stood at 4.8. That is the lowest value across all 16 years on record.

Compared with earlier readings it is down 26.2% on the previous year and down 58.3% over ten years.

Over the whole period, % of public schools of basic education that have no access to sewage in Piauí peaked at 16 in 2010 and was at its lowest, 4.8, in 2025.

The long-run direction has been consistently falling across the 16 years of available data.

% of public schools of basic education that have no access to sewage in Piauí, year by year

Annual values for % of public schools of basic education that have no access to sewage in Piauí, 2010 to 2025.
Year Value Change
2010 16
2011 14.8 -7.5%
2012 14.3 -3.4%
2013 12.6 -11.9%
2014 12.2 -3.2%
2015 11.5 -5.7%
2016 10.2 -11.3%
2017 8.9 -12.7%
2018 7.3 -18.0%
2019 12.6 +72.6%
2020 10.6 -15.9%
2021 9.8 -7.5%
2022 9.2 -6.1%
2023 8.9 -3.3%
2024 6.5 -27.0%
2025 4.8 -26.2%

Averages by decade

DecadeAverage LowestHighest Years
2010s 12.04 7.3 16 10
2020s 8.3 4.8 10.6 6

Countries ranked near Piauí

  1. 1 Armenia 26.6 compare
  2. 2 Morocco 8.2 compare
  3. 3 Panama 7 compare
  4. 4 Romania 3.6 compare
  5. 5 Brazil 3.3 compare
  6. 6 Bosnia and Herzegovina 2.3 compare
  7. 7 Tonga 2.1 compare

See the full ranking of 28 places →

More education data for Piauí

All data for Piauí →

Frequently asked questions

What is % of public schools of basic education that have no access to sewage in Piauí?
% of public schools of basic education that have no access to sewage in Piauí was 4.8 in 2025, according to UNICEF.
What is the highest % of public schools of basic education that have no access to sewage recorded in Piauí?
The highest recorded value was 16 in 2010.
What is the lowest % of public schools of basic education that have no access to sewage recorded in Piauí?
The lowest recorded value was 4.8 in 2025.
How does Piauí rank for % of public schools of basic education that have no access to sewage?
Piauí ranks 4th out of 11 groups with data for 2025.
Is % of public schools of basic education that have no access to sewage rising or falling in Piauí?
Over the last ten years it is down 58.3%. The long-run trend across the full record is falling.
Where does this Piauí data come from?
The figures come from UNICEF, published as part of % of public schools of basic education that have no access to sewage. Statizoid updates them automatically from the source API.

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% of public schools of basic education that have no access to sewage in Piauí. Statizoid, drawing on UNICEF. Retrieved 05 September 2026, from https://education.statizoid.com/stat/percent-of-public-schools-of-basic-education-that-have-no-access-to-sewage/piaui/

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About this data

Indicator
% of public schools of basic education that have no access to sewage
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
28 places, 448 data points, 2010–2025
Last refreshed