Global Print Media

India
Periodicals 41,705
Dailies 4720
weeklies 14,743
http://www.slideshare.net/guestacd5bd/industry-analysis-of-print-media

USA

Newspapers 10,521
Periodicals 9,893

http://www.allcountries.org/uscensus/931_newspapers_and_periodicals_number_by_type.html

Number of magazines by category - 1999-2010



UK
Circulation figures of top 271 audited periodicals - 2011 first half



The scientific periodicals published in the world is 164,000
http://archivesic.ccsd.cnrs.fr/docs/00/14/59/15/TXT/InetFreeAccessScienceDraft.txt