How many years of comparable data are there for Iran and Sierra Leone?

16 years are reported by both, from 2001 to 2016.

Where does this data come from?

Statizoid (derived), published as Sanitation facilities usage in rural areas, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran vs Sierra Leone: Sanitation facilities usage in rural areas, annual growth rate

Iran

-0.5439 % change on previous year

in 2016

Sierra Leone

-0.5648 % change on previous year

in 2024

Iran rank

38th

Sierra Leone rank

39th

Sanitation facilities usage in rural areas, annual growth rate over time

Iran
Sierra Leone

How they compare

Iran currently reports -0.5439 % change on previous year against -0.5648 % change on previous year in Sierra Leone, a difference of 0.0209 % change on previous year.

Across all 16 years both countries report, Sierra Leone has been ahead every year.

Iran ranks 38th and Sierra Leone ranks 39th of 136 countries.

Sierra Leone has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Iran	Sierra Leone	Difference	Ahead
2000s	-0.4634 % change on previous year	1.66 % change on previous year	2.12 % change on previous year	Sierra Leone
2010s	-0.643 % change on previous year	0.3059 % change on previous year	0.9488 % change on previous year	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sanitation facilities usage in rural areas, annual growth rate, Iran or Sierra Leone?: Iran, at -0.5439 % change on previous year against -0.5648 % change on previous year in Sierra Leone as of 2016.
What is the difference in sanitation facilities usage in rural areas, annual growth rate between Iran and Sierra Leone?: 0.0209 % change on previous year, with Iran ahead.
How many years of comparable data are there for Iran and Sierra Leone?: 16 years are reported by both, from 2001 to 2016.
How do Iran and Sierra Leone rank globally for sanitation facilities usage in rural areas, annual growth rate?: Iran ranks 38th and Sierra Leone ranks 39th of 136 countries.
Where does this data come from?: Statizoid (derived), published as Sanitation facilities usage in rural areas, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Sierra Leone: Sanitation facilities usage in rural areas, annual growth rate. Statizoid, drawing on Statizoid (derived). Retrieved 29 September 2026, from https://reference.statizoid.com/compare/sanitation-facilities-usage-in-rural-areas-annual-growth-rate/iran-islamic-rep/sierra-leone/

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<a href="https://reference.statizoid.com/compare/sanitation-facilities-usage-in-rural-areas-annual-growth-rate/iran-islamic-rep/sierra-leone/">Iran vs Sierra Leone: Sanitation facilities usage in rural areas, annual growth rate</a> — Statizoid

About this data

Indicator: Sanitation facilities usage in rural areas, annual growth rate
Unit: % change on previous year
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 136 places, 2,994 data points, 2001–2024
Last refreshed: 29 September 2026

The year-on-year percentage change in Sanitation facilities usage in rural areas. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.