An informal economy (informal sector or shadow economy) is the part of any economy that is neither officially taxed nor monitored. Read more about the World Economics Informal Economy database
The size of Belgium's informal economy is estimated to be 19.3% which represents approximately $145 billion at GDP PPP levels.
Belgium's data is highlighted in the table below, use the filter and sort order options to allow easy comparison with other countries.
Data source: Quarterly Informal Economy Survey (QIES) by World Economics, London