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The Worldwide Governance Indicators (WGI) are a World Bank dataset of six composite governance measures for more than 200 economies, first published in 1999 and covering 1996 to 2025 in the 2026 update. Researchers use them as a country-level variable for institutional quality. Using them well takes three decisions: which of the six dimensions you need, whether to use the governance estimate or the 0-100 score, and how to treat margins of error when comparing countries or years. This guide covers each, plus data access and citation. Facts below come from the World Bank’s WGI landing page and documentation page, checked 2026-11-07.
What are the Worldwide Governance Indicators?
The WGI are composite indicators of perceptions of governance. They combine perception data from 35 cross-country sources, including household surveys, firm surveys and expert assessments. They are not a count of laws or a direct measurement of outcomes: they summarise how governance is perceived by respondents and experts, which is why the World Bank publishes margins of error with the scores.
What are the six aggregate Worldwide Governance Indicators?
The six aggregate indicators, which are also the answer to “what are the indicators of governance” in the WGI sense, are:
- Voice and Accountability
- Political Stability
- Government Effectiveness
- Regulatory Quality
- Rule of Law
- Control of Corruption
The World Bank maps more than 400 underlying indicators from 35 sources to these six dimensions, and a single source question can feed up to two of them. Read the variable lists for each dimension on the World Bank documentation page before you operationalise one in a paper.
What are the 8 indicators of good governance?
The WGI have six aggregate indicators, not eight. Lists of eight characteristics of good governance belong to a different framework and are not part of the World Bank dataset. If your methods section says “WGI”, name the six dimensions you used.
Governance estimate or 0-100 score: which to use
The World Bank publishes each dimension in two forms.
| Output | What it is | Practical use (editorial guidance) |
|---|---|---|
| Governance estimate | A standardised score centred near zero, running roughly from -2.5 to 2.5, where higher means better governance | Regression and other analysis that needs a continuous variable |
| 0-100 score | The estimate rescaled as 100 x (estimate – worst-case) / (best-case – worst-case), using two hypothetical benchmark countries for each dimension and year; published with 90% confidence intervals | Reporting and presentation where a bounded scale is easier to read |
The practical-use column is editorial guidance for researchers, not a World Bank rule. Whichever you choose, state it in your methods section, because the two forms are not interchangeable in tables.
How the scores are built
The World Bank uses an Unobserved Components Model. Each source is treated as a linear function of the unobserved true level of governance plus an error term, and the model corrects for differences in how sources scale their data. The estimate is a weighted average of the rescaled source data, with weights that rise as a source correlates more strongly with the others. Standard errors reflect how many sources are available and how closely they agree: more sources and stronger agreement give smaller errors. Each country’s score rests on whichever sources cover it, so the underlying data differ from country to country. A full reproducibility package and a sample WGI calculator in Excel are linked from the World Bank page.
Comparing countries and years: margins of error
The World Bank’s own caveats are the basis for three working rules:
- If the confidence intervals of two countries overlap, the difference between them is not statistically significant.
- Most year-to-year changes are small relative to the margin of error. Decade-long trends can be significant for some countries.
- Changes can reflect changes in sources, including sources added or removed, and not only changes in governance.
Rankings drawn from point estimates alone therefore overstate precision. Report intervals alongside any country ordering. The six composites are also too coarse for designing reforms: the World Bank advises using the disaggregated indicators for that purpose.
Where to get the Worldwide Governance Indicators data
The World Bank’s WGI page offers Interactive Data Access, the estimates and scores for 1996 to 2025 in Excel and Stata formats, the raw source data in Excel, and the sample WGI calculator. Historical estimates have been recalculated back to 1996, and each release supersedes previous ones, so values for the same country and year can differ between editions. Download once, record the edition, and do not merge columns from different updates. The World Bank’s usage advisory says the indicators are intended for research, policy analysis and government reflection, not as definitive criteria for credit ratings or investment risk.
How to cite the WGI
The World Bank gives the dataset citation as “Worldwide Governance Indicators, 2026 Update, World Bank”, www.govindicators.org, with your access date. For the methodology, cite World Bank (2026), The Worldwide Governance Indicators: Methodology for Measuring Governance Using Perception Data, which builds on Kaufmann and Kraay (2024), “The Worldwide Governance Indicators: Methodology and 2024 Update”. Name the update year in the text, because earlier editions give different historical values. For general principles on citing data, see the data citation principle and the role of a persistent identifier.
Strengths and limits
- Strengths: broad coverage (more than 200 economies), a long series from 1996, six distinct dimensions, published uncertainty, and a reproducibility package that lets you rebuild the estimates. The data can be downloaded in Excel and Stata formats; see open data for the wider concept.
- Limits: the data reflect perceptions, not direct measures; scores are estimates, not definitive ratings; year-to-year movements are usually within the margin of error; and changes in the source mix can move a country’s score.
For reproducibility in your own analysis, see reproducibility and the FAIR data principles. For another cross-national statistical body, see the International Statistical Institute guide.
Frequently asked questions
What is the worldwide governance indicator?
It is a World Bank dataset of six composite, perception-based governance measures for over 200 economies, first published in 1999 and updated annually; the 2026 update is the latest edition, covering 1996 to 2025.
What are the six aggregate Worldwide Governance Indicators?
Voice and Accountability, Political Stability, Government Effectiveness, Regulatory Quality, Rule of Law and Control of Corruption.
Where is the WGI methodology and PDF?
The methodology is on the World Bank’s WGI documentation page and in the methodology paper cited above; the reproducibility package is linked from the same pages.
Can I use WGI rankings?
Only with caution: overlapping confidence intervals mean the difference between two countries is not significant, so report intervals with any ranking.
Sources
- World Bank, Worldwide Governance Indicators (https://www.worldbank.org/en/publication/worldwide-governance-indicators), checked 2026-11-07.
- World Bank, WGI documentation (https://www.worldbank.org/en/publication/worldwide-governance-indicators/documentation), checked 2026-11-07.
