Complex sentence: According to the 2011 census, 65.8% of the population are economically active, whilst 34.2% are not whilst nationally, 69.9% are economically active and 30.1%.
Split into simpler sentences: According to the 2011 census, 65.8% of the population are economically active, whilst 34.2% are not. In contrast, nationally, 69.9% are economically active and 30.1%.