English: This map shows the evolution of India's economy over 2000 years, its percent share of world GDP over time. The chart plots the data from the published tables of Angus Maddison.

The %GDP of Western Europe in the chart is the region in Europe that includes the following modern countries - UK, France, Germany, Italy, Belgium, Switzerland, Denmark, Finland, Sweden, Norway, Netherlands, Portugal, Spain and other smaller states in the Western part of Europe.

The %GDP of Middle East in the chart is the region in West Asia and Northeast Africa that includes the following modern countries - Egypt, Israel, Palestinian Territories, Lebanon, Syria, Turkey, Jordan, Saudi Arabia, Qatar, Bahrain, Kuwait, UAE, Oman, Yemen, Iran, Iraq and other regions in the Arabian region.

Data Source: Maddison A (2007), Contours of the World Economy I-2030AD, Oxford University Press, ISBN 978-0199227204

The data can be downloaded in spreadsheet format here.

The data can also be viewed in a different graph here, as prepared by Ken Henry (Secretary to the Treasury, Australian Government, 18 May 2010).

More information about the historical markers in the chart can be found in these wikipedia articles - Delhi Sultanate, Mughal Empire, British India.