Data sources

Where the numbers on Musrefy come from: the official and international sources we rely on, how often we update them and the terms under which we use them.

8
Sources in use
6
Official sources
5
Data domains
30
Countries with data

Last updated 3 November 2026

Data domains

Financial markets

Demo data (display only)

Updated: When changed Secondary source 8 data series

Licence & use: Figures that are not real, only to show the page.

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ExchangeRate-API (open access)

Updated: Daily Secondary source 29 data series

Licence & use: Rates By Exchange Rate API (https://www.exchangerate-api.com), daily reference rates against the US dollar.

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International Monetary Fund (IMF)

Updated: When changed Official source

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Banking & financial sector

Bank for International Settlements

Updated: Daily Official source 10 data series

Licence & use: Central bank policy rates from the BIS data portal.

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Macroeconomy

World Bank Open Data

Updated: Annual Official source 65 data series

Licence & use: Latest published annual value per country, licensed CC BY 4.0.

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International data

Reports & studies

How do we ensure data quality?

  1. 1. Source selection

    We use official and recognised international sources first.

  2. 2. Verification

    Each value is entered with its source link and the date it refers to, then reviewed.

  3. 3. Updating

    Values are updated at the frequency shown for each source; previous values are kept in the history.

  4. 4. Presentation

    Every number is shown with its source, unit and "as of" date.

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