Totally,9 bands.
1.band 3 around 1000 words
2.band 4 approximately between 2000-4000 words.
3.band 5 approximately between 4000-5000 words.
4.band 6 approximately between 5000-7000 words.
5.band 7 approximately probably between 6000-10000 words.
6.band 8 at least 10000 words ,meanwhile,luck befall u that day.
7.band 9 currently,impossible to obtain.
I'm a one IELTS facilitator in Shenyang.
Infor only for reference!
