Arbitron has put together a list of the Top 10 Radio Formats in the USA. Check out the list below.
1
2,179 stations15.9% share of audience
***2
2,066 stations13.2% share of audience
***3
1,556 stations12.8% share of audience
***4
569 stations10.3% share of audience
***5
869 stations9.0% share of audience
***6
352 stations7.6% share of audience
***7
1,060 stations7.1% share of audience
***8
750 stations6.4% share of audience
***9
2,014 stations5.5% share of audience
***10
454 stations4.0% share of audience
*** 
