English-Corpora.org

The most widely used online corpora: guided tour, overview, search types, variation, virtual corpora (quick overview), BYU.

The links below are for the online interface. But you can also download the corpora for use on your own computer.

Corpus   (online access)	Download	# words	Dialect	Time period	Genre(s)
iWeb: The Intelligent Web-based Corpus		14 billion	6 countries	2017	Web
News on the Web (NOW)		13.4 billion+	20 countries	2010-yesterday	Web: News
Global Web-Based English (GloWbE)		1.9 billion	20 countries	2012-13	Web (incl blogs)
Wikipedia Corpus		1.9 billion	(Various)	2014	Wikipedia
Coronavirus Corpus		1.18 billion+	20 countries	Jan 2020-yesterday	Web: News
Corpus of Contemporary American English (COCA)		1.0 billion	American	1990-2019	Balanced
Corpus of Historical American English (COHA)		475 million	American	1820-2019	Balanced
The TV Corpus		325 million	6 countries	1950-2018	TV shows
The Movie Corpus		200 million	6 countries	1930-2018	Movies
Corpus of American Soap Operas		100 million	American	2001-2012	TV shows
Hansard Corpus		1.6 billion	British	1803-2005	Parliament
Early English Books Online		755 million	British	1470s-1690s	(Various)
Corpus of US Supreme Court Opinions		130 million	American	1790s-present	Legal opinions
TIME Magazine Corpus		100 million	American	1923-2006	Magazine
British National Corpus (BNC) *		100 million	British	1980s-1993	Balanced
Strathy Corpus (Canada)		50 million	Canadian	1970s-2000s	Balanced
CORE Corpus		50 million	6 countries	2014	Web
From Google Books n-grams (compare)
American English		155 billion	American	1500s-2000s	(Various)
British English		34 billion	British	1500s-2000	(Various)