Tiraj - numarul de copii ale unei publicatii care sunt in circulatie fie prin vanzare, fie gratuit. Tirajele auditate de o firma specializata sunt mai veridice decat declaratiile publicatiei care nu sunt verificate obiectiv si pot fi o supraestimare(vezi: Auditul).
The number of copies of a publication which are circulated, either by sale or free of charge. Circulations audited by an independent, industry-appointed body are more reliable than publishers' own circulation statements which are not independently verified and may therefore be subject to overclaim (see Audit).