Portable Document A1 is a formal statement proving that the holder pays social contributions in another EU country. PD A1 provide a source of statistics on posted workers and persons working in several EU countries. This report shows that in 2015, there were some 2.05 million postings, an increase of 7% compared to the previous year. Poland, Germany and France accounted as the main sending countries, while Germany, France and Belgium as the main receiving countries. Find more data on the average duration of posting, the economic sectors involved, the impact on national labour markets and more in this report.