Data

World regions according to Maddison Project Database

Historical data – Maddison Project Database
See all data and research on:

What you should know about this indicator

The Maddison Project Database is based on the work of many researchers who have produced estimates of economic growth and population for individual countries. The full list of sources for this historical data is given in the original dataset.

World regions according to Maddison Project Database
Historical data – Maddison Project Database
World regions according to Maddison Project Database.
Source
Bolt and van Zanden - Maddison Project Database 2023 – with minor processing by Our World in Data
Last updated
April 26, 2024
Next expected update
April 2027
Date range
1–2022

Sources and processing

This data is based on the following sources

The Maddison Project Database provides information on comparative economic growth and income levels over the very long run. The 2023 version of this database covers 169 countries and the period up to 2022. The new estimates are presented and discussed in Bolt and Van Zanden (2024), "Maddison style estimates of the evolution of the world economy: A new 2023 update", Journal of Economic Surveys, 1–41.

Retrieved on
April 26, 2024
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
  • Bolt, Jutta and Jan Luiten van Zanden (2024), "Maddison style estimates of the evolution of the world economy: A new 2023 update", Journal of Economic Surveys, 1–41. DOI: 10.1111/joes.12618.
  • The Maddison Project Database is based on the work of many researchers who have produced estimates of economic growth and population for individual countries. The full list of sources for this historical data is given in the original dataset.

How we process data at Our World in Data

All data and visualizations on Our World in Data rely on data sourced from one or several original data providers. Preparing this original data involves several processing steps. Depending on the data, this can include standardizing country names and world region definitions, converting units, calculating derived indicators such as per capita measures, as well as adding or adapting metadata such as the name or the description given to an indicator.

At the link below you can find a detailed description of the structure of our data pipeline, including links to all the code used to prepare data across Our World in Data.

Read about our data pipeline

Reuse this work

  • All data produced by third-party providers and made available by Our World in Data are subject to the license terms from the original providers. Our work would not be possible without the data providers we rely on, so we ask you to always cite them appropriately (see below). This is crucial to allow data providers to continue doing their work, enhancing, maintaining and updating valuable data.
  • All data, visualizations, and code produced by Our World in Data are completely open access under the Creative Commons BY license. You have the permission to use, distribute, and reproduce these in any medium, provided the source and authors are credited.

Citations

How to cite this page

To cite this page overall, including any descriptions, FAQs or explanations of the data authored by Our World in Data, please use the following citation:

“Data Page: World regions according to Maddison Project Database”, part of the following publication: Max Roser, Pablo Arriagada, Joe Hasell, Hannah Ritchie and Esteban Ortiz-Ospina (2023) - “Economic Growth”. Data adapted from Bolt and van Zanden. Retrieved from https://ourworldindata.org/grapher/world-regions-according-to-maddison-project-database [online resource]
How to cite this data

In-line citationIf you have limited space (e.g. in data visualizations), you can use this abbreviated in-line citation:

Bolt and van Zanden - Maddison Project Database 2023 – with minor processing by Our World in Data

Full citation

Bolt and van Zanden - Maddison Project Database 2023 – with minor processing by Our World in Data. “World regions according to Maddison Project Database – Maddison Project Database – Historical data” [dataset]. Bolt and van Zanden, “Maddison Project Database 2023” [original data]. Retrieved October 13, 2024 from https://ourworldindata.org/grapher/world-regions-according-to-maddison-project-database