How many years of comparable data are there for Angola and Niger?

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand SLC), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Angola vs Niger: Roots and Tubers, Total: Gross Production … square kilometre SLC

Angola

283.72 1000 SLC per square kilometre

in 2023

Niger

330.68 1000 SLC per square kilometre

in 2023

Angola rank

33rd

Niger rank

30th

Roots and Tubers, Total: Gross Production … square kilometre SLC over time

Angola
Niger

How they compare

Niger currently reports 330.68 1000 SLC per square kilometre against 283.72 1000 SLC per square kilometre in Angola, a difference of 46.96 1000 SLC per square kilometre.

That makes Niger's figure about 1.2 times Angola's.

The two have swapped places 5 times across 63 shared years of data; in 1961 it was Angola ahead.

Angola ranks 33rd and Niger ranks 30th of 141 countries.

Across the 7 decades both report, Angola averaged higher in 6 and Niger in 1.

Head to head by decade

Decade	Angola	Niger	Difference	Ahead
1960s	31.34 1000 SLC per square kilometre	23.97 1000 SLC per square kilometre	7.37 1000 SLC per square kilometre	Angola
1970s	32.57 1000 SLC per square kilometre	27.38 1000 SLC per square kilometre	5.19 1000 SLC per square kilometre	Angola
1980s	31.12 1000 SLC per square kilometre	30.82 1000 SLC per square kilometre	0.2991 1000 SLC per square kilometre	Angola
1990s	49.89 1000 SLC per square kilometre	25.5 1000 SLC per square kilometre	24.39 1000 SLC per square kilometre	Angola
2000s	185.35 1000 SLC per square kilometre	32.65 1000 SLC per square kilometre	152.7 1000 SLC per square kilometre	Angola
2010s	260.45 1000 SLC per square kilometre	87.35 1000 SLC per square kilometre	173.1 1000 SLC per square kilometre	Angola
2020s	261.8 1000 SLC per square kilometre	274.84 1000 SLC per square kilometre	13.04 1000 SLC per square kilometre	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher roots and tubers, total — gross production value (constant 2014-2016), Angola or Niger?: Niger, at 330.68 1000 SLC per square kilometre against 283.72 1000 SLC per square kilometre in Angola as of 2023.
What is the difference in roots and tubers, total — gross production value (constant 2014-2016) between Angola and Niger?: 46.96 1000 SLC per square kilometre, with Niger ahead.
How many years of comparable data are there for Angola and Niger?: 63 years are reported by both, from 1961 to 2023.
How do Angola and Niger rank globally for roots and tubers, total — gross production value (constant 2014-2016)?: Angola ranks 33rd and Niger ranks 30th of 141 countries.
Where does this data come from?: Statizoid (derived), published as Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand SLC), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Angola vs Niger: Roots and Tubers, Total — Gross Production Value (constant 2014-2016). Statizoid, drawing on Statizoid (derived). Retrieved 12 October 2026, from https://agriculture.statizoid.com/compare/roots-and-tubers-total-gross-production-value-constant-2014-2016-thousand-slc-per-square/angola/niger/

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<a href="https://agriculture.statizoid.com/compare/roots-and-tubers-total-gross-production-value-constant-2014-2016-thousand-slc-per-square/angola/niger/">Angola vs Niger: Roots and Tubers, Total — Gross Production Value (constant 2014-2016)</a> — Statizoid

About this data

Indicator: Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand SLC), per square kilometre
Unit: 1000 SLC per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 141 places, 7,928 data points, 1961–2023
Last refreshed: 08 October 2026

Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand SLC) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.