Original: Globally , forced labour generates $ 31bn , half of it in the industrialised world , a tenth in transition countries , the International Labour Organization says in a report on forced labour ( '' A global alliance against forced labour '' , ILO , 11 May 2005 ) .
Simplified: Globally , forced labour generates $ 31bn , half of it in the industrialised world , a tenth in transition countries , the International Labour Organization says in a report on forced labour .