 The databases maintained by Maddison and his former colleagues, which now include virtually every country in the world, form one of the most important sources for the analysis of long-term economic growth and are used throughout the world by academics and policy analysts.Maddison received a royal decoration as Commander in the Netherlands Order of Orange Nassau as he turned 80, and in October 2007 Maddison received an honorary doctorate at Hitotsubashi University, Japan.Maddison died on Saturday, 24 April 2010, at the American Hospital of Paris in Neuilly-sur-Seine, France.