Stephen Krashen publications per year

The chart shows the history of publications by Stephen Krashen between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Stephen Krashen published across 54 years, from 1972 to 2025, averaging 3.9 papers a year. Output peaked at 12 publications in 1996. 5 of the 210 publications appeared in the last two years.

No. of publications

5 10

1972 2025

210 publications in total across all disciplines

View publications per year as a table

Stephen Krashen: publications per year, 1972 to 2025
Year	Publications
1972	3
1973	3
1974	4
1975	5
1976	5
1977	1
1978	5
1979	2
1980	3
1981	2
1982	3
1983	3
1984	5
1985	2
1986	2
1987	1
1988	2
1989	4
1990	2
1991	3
1992	1
1993	5
1994	2
1995	1
1996	12
1997	11
1998	11
1999	5
2000	2
2001	7
2002	7
2003	3
2004	8
2005	7
2006	1
2007	2
2008	10
2009	3
2010	3
2011	2
2012	4
2013	5
2014	3
2015	5
2016	3
2017	2
2018	3
2019	8
2020	3
2021	3
2022	2
2023	1
2024	3
2025	2
Total	210

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Stephen Krashen publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Stephen Krashen sits on this spectrum.

No. of scientists

100 200 300 400

44–53 publications 570+

This scientist: 198 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

View publications distribution as a table

Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications	Scientists	This scientist
44–53	28
54–63	61
64–73	161
74–83	225
84–93	301
94–103	390
104–113	406
114–123	474
124–133	453
134–143	434
144–153	407
154–163	411
164–173	391
174–183	313
184–193	319
194–203	304	198
204–213	285
214–223	246
224–233	213
234–243	170
244–253	167
254–263	162
264–273	138
274–283	138
284–293	113
294–303	106
304–313	95
314–323	101
324–333	81
334–343	69
344–353	56
354–363	36
364–373	42
374–383	41
384–393	44
394–403	27
404–413	30
414–423	20
424–433	29
434–443	29
444–453	25
454–463	19
464–473	21
474–483	11
484–493	17
494–503	7
504–513	6
514–523	12
524–533	10
534–543	7
544–553	6
554–563	12
564–569	8
570+	100

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Stephen Krashen D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Stephen Krashen sits on this spectrum.

No. of scientists

100 200 300

30 D-Index 100+

This scientist: 62 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

View D-Index distribution as a table

Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index	Scientists	This scientist
30	177
31	210
32	222
33	188
34	181
35	243
36	261
37	272
38	278
39	300
40	297
41	308
42	313
43	300
44	269
45	260
46	228
47	251
48	203
49	186
50	187
51	166
52	138
53	141
54	131
55	137
56	109
57	129
58	95
59	105
60	106
61	86
62	94	62
63	77
64	79
65	59
66	68
67	51
68	49
69	40
70	43
71	40
72	50
73	46
74	43
75	45
76	45
77	30
78	25
79	31
80	29
81	18
82	21
83	26
84	15
85	15
86	19
87	19
88	12
89	7
90	19
91	20
92	13
93	9
94	13
95	8
96	7
97	6
98	6
99	6
100+	97

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Overview

Stephen Krashen is affiliated with the University of Southern California in the United States. Their research primarily spans the social sciences with a strong focus on education and linguistics.

The scientist's recent publications include the following papers:

Is The Library Important? Multivariate Studies at the National and International Level (2021, IASL Annual Conference Proceedings)
Some reactions: Why my publications after 1982 were not cited or discussed (2021, Foreign Language Annals)
BARRIERS TO ADVANCED HERITAGE LANGUAGE DEVELOPMENT (2023, LLT Journal A Journal on Language and Language Teaching)
Three Tips Teachers Can Utilize for Multilingual Learners (2024, Tapestry:)
Reading and writing, they do different things (2025, TESOL Bangladesh journal)

Frequent coauthors with whom they have collaborated include:

Nooshan Ashtari
Syying Lee
Jeff McQuillan
Theresa Summer
Heiner Böttger

The main publication venues where their work appears often are:

Asian Journal on Perspectives in Education
IASL Annual Conference Proceedings
Foreign Language Annals
LLT Journal A Journal on Language and Language Teaching
Tapestry:

Stephen Krashen's areas of study break down into subfields including:

Education
Language and Linguistics
Safety Research
Linguistics and Language
Developmental and Educational Psychology

The topics addressed in their research cover a range of educational and sociolinguistic issues such as:

EFL/ESL Teaching and Learning
School Choice and Performance
Poverty, Education, and Child Welfare
Education Systems and Policy
Multilingual Education and Policy
Second Language Acquisition and Learning
American Political and Social Dynamics

In addition to journal articles, Stephen Krashen has contributed to book publications. Notably, they authored English in Primary Education: Concepts, Research, Practice published in 2022 by Forum Lehrerinnen- und Lehrerbildung.

Best Publications

The Input Hypothesis: Issues and Implications

Stephen D. Krashen

16781
Citations
Principles and Practice in Second Language Acquisition

Stephen D. Krashen

8597
Citations
Second Language Acquisition and Second Language Learning

Stephen D. Krashen

5954
Citations
We Acquire Vocabulary and Spelling by Reading: Additional Evidence for the Input Hypothesis

Stephen Krashen

2835
Citations
The Natural Approach: Language Acquisition in the Classroom

Stephen D. Krashen;Tracy D. Terrell

2708
Citations
IS THERE A “NATURAL SEQUENCE” IN ADULT SECOND LANGUAGE LEARNING?

Nathalie Bailey;Carolyn Madden;Stephen D. Krashen

1533
Citations
Writing--research, theory, and applications

Stephen D. Krashen

1283
Citations
Age, Rate and Eventual Attainment in Second Language Acquisition.

Stephen D. Krashen

1208
Citations
LATERALIZATION, LANGUAGE LEARNING, AND THE CRITICAL PERIOD: SOME NEW EVIDENCE

Stephen D. Krashen

1190
Citations
The Power of Reading: Insights from the Research

Stephen D. Krashen

1014
Citations
UNDER ATTACK/THE CASE AGAINST BILINGUAL EDUCATION

Stephen D. Krashen

1001
Citations
Extensive reading in English as a foreign language

Beniko Mason;Stephen Krashen

827
Citations
Language acquisition and language education : extensions and applications

Stephen D. Krashen

770
Citations
The Input Hypothesis: Issues and Implications

Kevin R. Gregg;Stephen D. Krashen

752
Citations
The Natural Approach

Stephen D. Krashen;Tracy D. Terrell

722
Citations
Acquisition of Vocabulary from the Sweet Valley Kids Series: Adult ESL Acquisition.

Kyung-Sook Cho;Stephen D. Krashen

638
Citations
Formal and Informal Linguistic Environments in Language Acquisition and Language Learning.

Stephen D. Krashen

381
Citations
Developing Communicative Competence in a Second Language

Robin C. Scarcella;Elaine S. Andersen;Stephen D. Krashen

363
Citations
The development of language in genie: a case of language acquisition beyond the “critical period”

Victoria Fromkin;Stephen Krashen;Susan Curtiss;David Rigler

315
Citations
Child-adult differences in second language acquisition

Stephen D. Krashen;Robin C. Scarcella;Michael H. Long

297
Citations
Explorations in language acquisition and use : the Taipei lectures

Stephen D. Krashen

283
Citations
The Input Hypothesis: Issues and Implications

John W. Oller;Stephen D. Krashen

23
Citations

Frequent Co-Authors

Richard Clément University of Ottawa

Roger W. Remington University of Minnesota

Ofelia García City University of New York

Michael H. Long University of Maryland, College Park

Guadalupe Valdés Stanford University

Teresa L. McCarty University of California, Los Angeles

Nancy H. Hornberger University of Pennsylvania

Eugene E. Garcia Arizona State University

Tove Skutnabb-Kangas University of Helsinki

External Links

Wikipedia of Stephen Krashen Personal website of Stephen Krashen

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