How many years of comparable data are there for Congo, Democratic Republic of the and Sri Lanka?

26 years are reported by both, from 1998 to 2023.

Where does this data come from?

UNU-WIDER Government Revenue Dataset (2025) – with major processing by Our World in Data, published as Tax revenue as share of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Congo, Democratic Republic of the vs Sri Lanka: Tax revenue as share of GDP

Congo, Democratic Republic of the

9.3%

in 2023

Sri Lanka

9.8%

in 2023

Congo, Democratic Republic of the rank

164th

Sri Lanka rank

162nd

Tax revenue as share of GDP over time

Congo, Democratic Republic of the
Sri Lanka

How they compare

Sri Lanka currently reports 9.8% against 9.3% in Congo, Democratic Republic of the, a difference of 0.5%.

That makes Sri Lanka's figure about 1.1 times Congo, Democratic Republic of the's.

The two have swapped places 2 times across 26 shared years of data; in 1998 it was Sri Lanka ahead.

Congo, Democratic Republic of the ranks 164th and Sri Lanka ranks 162nd of 192 countries.

Across the 4 decades both report, Congo, Democratic Republic of the averaged higher in 1 and Sri Lanka in 3.

Head to head by decade

Decade	Congo, Democratic Republic of the	Sri Lanka	Difference	Ahead
1990s	1.0%	12.3%	11.3%	Sri Lanka
2000s	4.6%	11.7%	7.1%	Sri Lanka
2010s	8.1%	11.0%	2.9%	Sri Lanka
2020s	8.7%	8.2%	0.5%	Congo, Democratic Republic of the

Averages of every year both report within each decade.

Frequently asked questions

Which has higher tax revenue as share of gdp, Congo, Democratic Republic of the or Sri Lanka?: Sri Lanka, at 9.8% against 9.3% in Congo, Democratic Republic of the as of 2023.
What is the difference in tax revenue as share of gdp between Congo, Democratic Republic of the and Sri Lanka?: 0.5%, with Sri Lanka ahead.
How many years of comparable data are there for Congo, Democratic Republic of the and Sri Lanka?: 26 years are reported by both, from 1998 to 2023.
How do Congo, Democratic Republic of the and Sri Lanka rank globally for tax revenue as share of gdp?: Congo, Democratic Republic of the ranks 164th and Sri Lanka ranks 162nd of 192 countries.
Where does this data come from?: UNU-WIDER Government Revenue Dataset (2025) – with major processing by Our World in Data, published as Tax revenue as share of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo, Democratic Republic of the vs Sri Lanka: Tax revenue as share of GDP. Statizoid, drawing on UNU-WIDER Government Revenue Dataset (2025) – with major processing by Our World in Data. Retrieved 15 September 2026, from https://economy.statizoid.com/compare/tax-revenues-as-a-share-of-gdp-unsdg/congo-dem-rep/sri-lanka/

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About this data

Indicator: Tax revenue as share of GDP
Unit: % of GDP
Source: UNU-WIDER Government Revenue Dataset (2025) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 192 places, 6,348 data points, 1980–2023
Last refreshed: 28 August 2026

Direct and indirect taxes as well as social contributions included.