1) The very essence of democracy is widespread participation in all forms of decision making.
2) Further, rule of law prevents any unconstitutional law from being passed.
3) China has adopted central planning and market economy without democracy and multi-party system.
4) This creates a challenge as a huge population will then have no avenues to express their displeasure and concern at certain policies being followed.
5) As benefits of economic growth become concentrated in few hands, pressure for democracy will increase.