i am unclear on what you are tyring to ask. Do you mean how you need to put down. It depends on the loan you are getting. I just wrote a great blog, you can read it on my website http://www.coastalhomesinsandiego.com about the FHA guidelines and how they are changing.
If you have any further questions don't hesitate to email me.
If you mean how much money do you need for a down payment there is 0% for a V.A. loan (veterans only) perhaps 0% down for a usda (rural) loan. 3.5% down for FHA financing and 10,20% maybe higher for a conventional loan. That means if you buy a $100k house you would need $3,500 cash for a down payment, You also need more money for closing costs and inspections.