Open Access Data Infrastructure

The Evidence Behind Our Research,
Made Reusable.

Datasets, dashboards, and analytical tools built to make complex public finance questions easier to explore, compare, and act on. Every resource here supports our published research and is designed for reuse, teaching, and hands-on learning — not just reading. Interactive estimators double as classroom tools: change the inputs and watch the fiscal logic respond.

Datasets · Dashboards · Estimators · Free To Use

Datasets and code are released under the licence stated on each resource page (Creative Commons or open-source licences wherever agreements allow).

Third-party data remains subject to its original source terms.

Highlights

The inputs behind the work

Structured public-finance and economic-visibility data, prepared for research and policy use.

Open Access
CONCEPT STUDY
4 studies

Tax & Public Finance

Fiscal transparency, revenue mobilization, and the institutional systems that decide who pays, who is exempt, and who is counted at all.

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COMPOSITE INDEX June 2026

The Tax Visibility Index

A seven-dimension index scoring how visible a country's tax system is to its own citizens...

Region: Papua New Guinea
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Whether you are a researcher, an educator, an institution, or simply someone who cares about fiscal transparency, there is a way to work with us — and everything you need to learn, teach, and build with our research is already free.

Or email us directly at researchdesk@maitras.ai