Districtwise Sex-ratio Data of Bihar

Ranking of Districts by Sex-ratio (No. of Females per 1000 Males)
SL	Name of District	Sex-Ratio in 2001	Rank in 2001	Sex-Ratio in 1991	Rank in 1991
1	2	3	4	5	6
1.	Siwan	1,033	1	1017	1
2.	Gopalganj	1,005	2	968	2
3.	Saran	965	3	963	3
4.	Nawada	948	4	936	4
5.	Madhubani	943	5	932	6
6.	Kishanganj	940	6	933	5
7.	Gaya	937	7	922	8
8.	Aurangabad	936	8	915	11
9.	Muzaffarpur	928	9	904	15
10.	Jehanabad	928	10	919	10
11.	Samastipur	927	11	926	7
12.	Lakhisarai	923	12	880	31
13.	Vaishali	921	13	921	9
14.	Sheikhpura	920	14	896	22
15.	Supaul	920	15	904	16
16.	Katihar	919	16	909	13
17.	Jamui	917	17	903	18
18.	Purnia	916	18	903	19
19.	Araria	916	19	907	14
20.	Nalanda	915	20	898	20
21.	Madhepura	915	21	885	25
22.	Darbhanga	914	22	911	12
23.	Begusarai	911	23	898	21
24.	Saharsa	910	24	884	26
25.	Rohtas	909	25	894	23
26.	Banka	908	26	893	24
27.	Kaimur	907	27	884	27
28.	Buxar	901	28	884	28
29.	West Champaran	901	29	877	32
30.	Bhojpur	900	30	904	17
31.	East Champaran	898	31	883	30
32.	Sheohar	896	32	876	33
33.	Sitamarhi	893	33	884	29
34.	Khagaria	890	34	868	34
35.	Munger	878	35	856	37
36.	Bhagalpur	878	36	864	36
37.	Patna	873	37	867	35