Population censuses and household surveys 25. Statistics from population censuses are of limited
usefulness for obtaining information relevant to mode 4
because they are produced at long intervals and the
results are available too late to help monitoring the
current or recent developments with respect to the
presence of foreign workers, in particular those present
(or absent) only for a limited period. In addition, both
the population census and household surveys are
frequently limited to the resident population, and
therefore do not cover short-term visitors involved in
trade in services.
