I was filling in a online DIY survey and this question really got me thinking..
1- Living with parents.
2- Living alone
3- Living shared with others/friends
4- Married and living with Parents/In Laws
5- Living with partner no children
6- Living with partner and children
7- Living with partner and children moved out
8- other
4th added by me 
can I ask mods to create a poll if possible.
its funny and these numbers also define to some extent at what stage you are at in life. more greater the number more milestones you have achieved in life.