The Corpus of Contemporary American English (COCA)

The Corpus of Contemporary American English (COCA) is the largest freely-available corpus of English, and the only large and balanced corpus of American English. COCA was released in 2008 and it is now used by tens of thousands of users every month (linguists, teachers, translators, and other researchers).

Project leaders: Mark Davies
Time of compilation: ?
Size: 520 million words (monitor corpus, 20 million words added every year)
Language: American English
Period: 1990–present
Released: 2008
Project home page: http://corpus.byu.edu

Reference line and copyright

Davies, Mark. (2008–) The Corpus of Contemporary American English (COCA): 520 million words, 1990-present. Available online at http://corpus.byu.edu/coca/.

Manual

See http://corpus.byu.edu/coca/

Compilers

Professor Mark Davies

Availability

Freely available at http://corpus.byu.edu/coca/. Requires registration.

Associated projects

Time Corpus
Corpus of Historical Americal English (COHA)