Podtrac currently publishes two Podcast Industry Rankings each month: the Top 20 Podcasts and the Top 10 Podcast Publishers. 

Our Rankings use proprietary and consistent measurement methodology to allow apples-to-apples comparison of podcast audience sizes.

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Top podcasts

Podcast Industry Ranking
Top 20 Podcasts
US Audience: March 2017
Rank Podcast Publisher
1 This American Life This American Life/Serial
2 Serial This American Life/Serial
3 RadioLab WNYC Studios
4 S-Town This American Life/Serial
5 Freakonomics Radio WNYC Studios
6 TED Radio Hour NPR
7 Stuff You Should Know HowStuffWorks
8 Fresh Air NPR
9 Planet Money NPR
10 Wait Wait...Don't Tell Me! NPR
11 The Joe Rogan Experience * Joe Rogan
12 NPR Politics Podcast NPR
13 The Daily The New York Times
14 The Way I Heard It with Mike Rowe MRW Productions
15 99% Invisible PRX/Radiotopia
16 Pod Save America* Crooked Media
17 The Moth PRX/Radiotopia
18 Hidden Brain NPR
19 How I Built This NPR
20 Stuff You Missed in History Class HowStuffWorks

Ranking is based on Podtrac measurement data for Unique Monthly Audience for shows that measure with Podtrac. Shows on the Ranking which do not measure with Podtrac are denoted with an asterisk (*). Ranking of these shows is determined by a proprietary Podtrac algorithm which uses publicly available data.

Podtrac measurement is free to use by any podcast. Vist Podtrac.com for more information.