Reduction in Human Development Index when adjusting for inequalities in Tanzania

Tanzania: Reduction in Human Development Index when adjusting for inequalities was 29.5% in 2023. ▼ Falling

Latest (2023)
29.5%
Change on year
down 0.8%
World rank
48th
of 166 countries
All-time high
33.9%
in 2010
All-time low
29.5%
in 2023
Years of data
14
2010–2023

Reduction in Human Development Index when adjusting for inequalities in Tanzania, 2010–2023

01020302010201620232010: 33.9 %2011: 33.3 %2012: 31.6 %2013: 31.5 %2014: 31.1 %2015: 30.4 %2016: 30 %2017: 29.9 %2018: 30.7 %2019: 30.6 %2020: 30.3 %2021: 30.1 %2022: 29.8 %2023: 29.5 %

Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data. Measured in %.

Analysis

The most recent figure for reduction in human development index when adjusting for inequalities in Tanzania is 29.5%, measured in 2023. That is the lowest value across all 14 years on record.

Compared with earlier readings it is down 0.8% on the previous year and down 6.1% over ten years.

Over the whole period, reduction in human development index when adjusting for inequalities in Tanzania peaked at 33.9% in 2010 and was at its lowest, 29.5%, in 2023.

That places Tanzania 48th out of 166 countries with data for 2023, putting it in the middle of the range.

The long-run direction has been consistently falling across the 14 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
2010s 31.3% 29.9% 33.9% 10
2020s 29.9% 29.5% 30.3% 4

Countries ranked near Tanzania

  1. 45 Saint Lucia 30.1% compare
  2. 46 Nepal 29.7% compare
  3. 47 Bangladesh 29.6% compare
  4. 49 Malawi 29.4% compare
  5. 50 East Timor 28.9% compare
  6. 51 Cape Verde 28.4% compare

See the full ranking of 166 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is reduction in human development index when adjusting for inequalities in Tanzania?
Reduction in human development index when adjusting for inequalities in Tanzania was 29.5% in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
What is the highest reduction in human development index when adjusting for inequalities recorded in Tanzania?
The highest recorded value was 33.9% in 2010.
What is the lowest reduction in human development index when adjusting for inequalities recorded in Tanzania?
The lowest recorded value was 29.5% in 2023.
How does Tanzania rank for reduction in human development index when adjusting for inequalities?
Tanzania ranks 48th out of 166 countries with data for 2023.
Is reduction in human development index when adjusting for inequalities rising or falling in Tanzania?
Over the last ten years it is down 6.1%. The long-run trend across the full record is falling.
Where does this Tanzania data come from?
The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Reduction in Human Development Index when adjusting for inequalities. Statizoid updates them automatically from the source API.

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About this data

Indicator
Reduction in Human Development Index when adjusting for inequalities
Unit
%
Source
UNDP, Human Development Report (2025) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
166 places, 2,131 data points, 2010–2023
Last refreshed

Percentage difference between the IHDI value and the HDI value.