Complex sentence: Suicide is a significant national social issue in the United Kingdom; 6,045,5,608 and 5,675 people aged 15 and over committed suicide respectively in 2011,2010 and 2009.
Split into simpler sentences: Suicide is a significant national social issue in the United Kingdom. In the United Kingdom 6045,5608 and 5675 people aged 15 and over committed suicide respectively in 2011,2010 and 2009.