But it also draws on data compiled by British and American intelligence sources.
It draws on data from the European Union, the Organisation for Economic Co-operation and Development and the European Commission.
The report draws on data gathered by a large number of smaller, more focused surveys carried out over recent years.
iPad Here's an interesting idea: an app that draws on data from Foursquare to give spoken recommendations to blind people for places nearby, before guiding them there.
It draws on data from the Program for International Student Assessment, which periodically tests 15-year-old students in more than 50 countries in math, reading or science.
The study, which draws on data from Australia's orthopedic registry, covered implants introduced from 2003 to 2007 and was published this week.
The research, by the Overseas Development Institute for relief agency Cafod, draws on data including Department for International Development and Organisation for Economic Co-Operation and Development statistics.
The extended epidemiological analysis, which draws on data gathered from 350,000 people over 18 years, and an additional 150,000 people in more recent years, was conducted for the Health Effects Institute by scientists at the University of Ottawa.
A new US government program to count killings by police, which draws on data collected by the Guardian, has recorded a sharply higher number of deaths than previous official efforts.
In his book Piketty draws on data spanning two centuries and 20 countries to show how the western world is reverting to levels of inequality last seen during the Belle Epoque period of 1871-1914.
Exceptions can prove rules, however, and the trust report draws on data which suggests that comfortable, sophisticated home attractions – TV, computers and electronic games – are at risk of creating a generation of what the National Trust calls "cotton wool" kids.
