English-Corpora.org  

The most widely used online corpora. Guided tour, overview, search types, variation, virtual corpora, corpus-based resources.

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)		11.8 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
Corpus of Contemporary American English (COCA)		1.0 billion	American	1990-2019	Balanced
Coronavirus Corpus		811 million+	20 countries	Jan 2020-yesterday	Web: News
Corpus of Historical American English (COHA)		400 million	American	1810-2009	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)