From The SpiritWiki

Pali canon: 5,434 texts (classified as “teaching discourses,” or suttas), plus fifteen book-length works (classified as “short works,” or khuddaka, ranging between roughly nine modern printed pages and five hundred);

Chinese canon: 151 texts (translations of the previously mentioned suttas, but called agamas, or “traditions”), 612 Mahayan works (sutras), 572 Vajrayana works (tantras);

Tibetan canon: 270-text sutra section in 30 oversize-format volumes (includes a few sutta translations), 33 additional volumes of Mahayana sutras, 300-plus tantras in 30 volumes.(Wallis, Basic Teachings...)