Demo acount is the fake forex account that is almost similar to the real forex account, but demo account let you put a fake money in the system its not the dull rather it will help the newbies to learn the format and encourages them to invest in a real markets, demo trading is actually the training platform for the young investors.
Of course; the amount is not real; but till now demo is the best! Basically, traders need to use the demo as much serious as possible. Otherwise, the result will be meaningless.