Complex sentence: In recent times it has been declining by about 0.888% (source-CIA world Factbook) because of a low birth rate (1.2 children/woman) and more deaths then births.
Split into simpler sentences: In recent times it has been declining by about 0.888% (source-CIA world Factbook). That is because of a low birth rate (1.2 children/woman) and more deaths then births.