Constructed from 2011 economic statistics, this data set contains a global input-output matrix for 41 countries and the "rest of the world." According to the citation below, the 41 countries account for approximately 85% of the global economy. From the raw data available on the site below, this file has been converted to a text file and several header layers removed for easy consumption by R statistical program. Please see the data dictionary for definition of codes.
Citation:
Timmer, M. P., Dietzenbacher, E., Los, B., Stehrer, R. and de Vries, G. J. (2015),
"An Illustrated User Guide to the World Input–Output Database: the Case of Global Automotive Production",
Review of International Economics., 23: 575–605
http://www.tandfonline.com/doi/abs/10.1080/09535314.2012.761180?journalCode=cesr20
Other datasets:
http://www.wiod.org/new_site/database/wiots.htm