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

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.