How many years of comparable data are there for IDA only and Tanzania?

5 years are reported by both, from 1988 to 2015.

Where does this data come from?

UNESCO Institute for Statistics, published as Elderly illiterate population, 65+ years, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

IDA only vs Tanzania: Elderly illiterate population, 65+ years, both sexes

IDA only

25.22 million number

in 2019

Tanzania

760,646 number

in 2015

IDA only rank

15th

Tanzania rank

18th

Elderly illiterate population, 65+ years, both sexes over time

IDA only
Tanzania

How they compare

IDA only currently reports 25.22 million number against 760,646 number in Tanzania, a difference of 24.46 million number.

That makes IDA only's figure about 33.2 times Tanzania's.

Across all 5 years both countries report, IDA only has been ahead every year.

IDA only ranks 15th and Tanzania ranks 18th of 37 groups.

IDA only has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	IDA only	Tanzania	Difference	Ahead
1980s	12.48 million number	531,434 number	11.95 million number	IDA only
2000s	17.67 million number	676,768 number	16.99 million number	IDA only
2010s	22.42 million number	669,611 number	21.75 million number	IDA only

Averages of every year both report within each decade.

Frequently asked questions

Which has higher elderly illiterate population, 65+ years, both sexes, IDA only or Tanzania?: IDA only, at 25.22 million number against 760,646 number in Tanzania as of 2019.
What is the difference in elderly illiterate population, 65+ years, both sexes between IDA only and Tanzania?: 24.46 million number, with IDA only ahead.
How many years of comparable data are there for IDA only and Tanzania?: 5 years are reported by both, from 1988 to 2015.
How do IDA only and Tanzania rank globally for elderly illiterate population, 65+ years, both sexes?: IDA only ranks 15th and Tanzania ranks 18th of 37 groups.
Where does this data come from?: UNESCO Institute for Statistics, published as Elderly illiterate population, 65+ years, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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IDA only vs Tanzania: Elderly illiterate population, 65+ years, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 28 August 2026, from https://reference.statizoid.com/compare/elderly-illiterate-population-65-years-both-sexes-number/ida-only/tanzania/

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<a href="https://reference.statizoid.com/compare/elderly-illiterate-population-65-years-both-sexes-number/ida-only/tanzania/">IDA only vs Tanzania: Elderly illiterate population, 65+ years, both sexes</a> — Statizoid

About this data

Indicator: Elderly illiterate population, 65+ years, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 120 places, 2,196 data points, 1970–2019
Last refreshed: 21 August 2026

Total number of adults over age 65 who cannot both read and write with understanding a short simple statement on their everyday life.