The website Daum has recently released their list of the most popular Korean idols from 1-47 based upon the size of their fan clubs.
1.TVXQ 756,864
2.BIGBANG 347,896
3.SNSD 303,371
4.SS501 242,501
5.2PM 200,768
6.SJ 189,602
7.BEAST 167,060
8.Buzz 137,941
9.SHINee 126,803
10.Wonder Girls 102,495
11.FT lsland 100,018
12.2NE1 98,776
13.MBLAQ 81,061
14.HOT 73.049
15.God 69,895
16.f(x) 64,047
17.2AM 60,12***.
18.S.E.S 59,532
19.Kara 56,240
20.Fly to the sky 49,981
21.Sugar 45,516
22.Monday Kiz 46,031
23.Brown Eyed Girls 44,040
24.CSJH 42.647
25.Trax 34,868
26.C.N. BLUE 34,243
27.4minute 27,913
28.Davichi 25,480
29.ZE:A 24,510
30.miss A 21,526
31.After School 19,461
32.DJ DOC 15,119
33.INFINITE 13,280
34.Supernova 13,226
35.TEEN TOP 13,209
36.Gavy Nj 11,206
37.4MEN 10,240
38.Secret 9,395
39.U-Kiss 6,819
40.RAINBOW 6,442
41.Dae Guk Nam Ah 5,675
42.8 Eight 4,473
43.F.CUZ 4,020
44.Jewelry 2,791
45.NINE MUSES 2,200
46.Co-Ed 2,477