Certification Statistics

ABOHN has certified 16,630 individuals since its foundation.

  • 983 certified as Founders
  • 15,464 certified by Examination
  • 364 certified through Reciprocity
Year of Examination Number of Examinees Number of Passing Examinees

Percent Passing

(Pass Rate)

Certified by Reciprocity
2024

COHN = 72

COHN-S = 109

CM= 12

COHN= 39

COHN-S= 52

CM= 10

COHN = 55%

COHN-S= 48%

CM= 84%

  1
In 2024, we tested through July 2024 with our previous exam and testing vendor PSI. We did not offer tests in August 2024. We resumed testing with our new examinations delivered by our new testing vendor PSI.
2023

COHN = 84

COHN-S = 97

CM= 15

COHN= 42

COHN-S= 61

CM= 11

COHN = 50%

COHN-S= 62.9%

CM= 80%

 
2022

COHN = 52

COHN-S = 80

CM = 5

COHN = 25

COHN-S = 39

CM = 4

COHN = 48.1%

COHN-S = 48.8%

CM = 80%

       1
2021

COHN = 62

COHN-S = 80

CM = 3

COHN = 28

COHN-S = 38

CM = 2

COHN = 45.2%

COHN-S = 47.5%

CM = 75%

 
2020

COHN = 69

COHN-S = 80

CM =16

COHN = 31

COHN-S = 41

CM = 12

COHN = 45%

COHN-S = 51%

CM = 75%

 
COVID-19 impacted our low numbers and our testing agency PSI's schedule with individual state closures and scheduling issues.
2019

COHN = 129

COHN-S = 170

CM = 20

COHN = 83

COHN-S = 114

CM = 17

COHN = 64.3%

COHN-S = 67.0%

CM = 85.0%

 
2018

COHN = 99

COHN-S = 114

CM = 14

COHN = 70

COHN-S = 65

CM = 12

COHN = 71.4%

COHN-S = 58%

CM = 85.7%

 
2017

COHN = 84

COHN-S = 117

CM = 14

COHN = 68

COHN-S = 83

CM = 9

COHN= 80.8%

COHN-S = 70.3%

CM = 66.7%

 
2016

COHN = 55

COHN-S = 111

CM = 23

COHN = 34

COHN-S = 70

CM = 18

COHN = 64.2%

COHN-S = 64.2%

CM = 78.3%

        1
2015

COHN = 64

COHN-S =148

CM = 22

COHN =48

COHN-S =102

CM =18

COHN =75%

COHN-S =69%

CM =82%

      1
2014

COHN = 70

COHN-S = 121

CM = 19

COHN = 53

COHN-S = 89

CM = 16

COHN = 77%

COHN-S = 75%

CM = 89%

 
2013

COHN = 82

COHN-S = 103

CM = 17

COHN = 49

COHN-S = 61

CM = 11

COHN = 61%

COHN-S = 59%

CM = 65%

 
2012

COHN = 74

COHN-S = 111

CM = 33

COHN = 48

COHN-S = 81

CM = 27

COHN = 69%

COHN-S = 74%

CM = 82%

 
2011

COHN = 74

COHN-S = 114

CM = 26

COHN = 52

COHN-S = 80

CM =  21

COHN = 70%

COHN-S =71%

CM = 81%

 
2010

COHN = 66

COHN-S = 97

CM = 25

COHN = 43

COHN-S = 74

CM = 19

COHN = 67%

COHN-S = 76%

CM = 76%

1
2009

COHN = 81

COHN-S = 113

CM = 26

COHN = 51

COHN-S = 90

CM =  12

COHN = 63%

COHN-S = 80%

CM = 46%

 
2008

COHN = 66

COHN-S = 93

CM = 33

COHN = 42

COHN-S = 71

CM = 22

COHN = 64%

COHN-S = 76%

CM = 67%

 
2007

COHN = 40

COHN-S = 66

CM = 28

COHN = 27

COHN-S = 42

CM = 24

COHN = 68%

COHN-S = 64%

CM = 86%

 
2006

COHN = 129

COHN-S = 175

CM =  102

Canada CM = 3

COHN = 96

COHN-S = 128

CM = 85

Canada CM = 2

COHN = 74%

COHN-S = 73%

CM = 83%

Canada CM = 67%

2
2005

COHN = 137

COHN-S = 199

CM = 126

Canada CM = 2

COHN = 105

COHN-S = 153

CM = 104

Canada CM = 2

COHN = 77%

COHN-S = 77%

CM = 83%

Canada CM = 100%

2
2004

COHN = 177

COHN-S = 232

CM =  151

Canada CM = 9

COHN = 127

COHN-S = 181

CM = 119

Canada CM = 9

COHN = 72%

COHN-S = 78%

CM = 79%

Canada CM = 100%

1
2003

COHN = 196

COHN-S = 261

CM = 135

Canada CM = 2

COHN = 136

COHN-S = 206

CM = 103

Canada CM = 2

COHN = 69%

COHN-S = 79%

CM = 76%

Canada CM = 100%

3
2002

COHN = 153

COHN-S = 274

CM = 152

COHN = 116

COHN-S = 217

CM = 130

COHN = 77%

COHN-S = 79%

CM = 85%

2
2001

COHN = 191

COHN-S = 302

CM = 181

COHN = 153

COHN-S = 244

CM = 154

COHN = 76%

COHN-S = 81%

CM = 85%

2
2000

COHN = 243

COHN-S = 334

CM = 240

COHN = 184

COHN-S = 251

CM = 214

COHN = 76%

COHN-S = 75%

CM = 89%

4
1999

COHN = 269

COHN-S = 316

CM = 120

COHN = 207

COHN-S = 241

CM = 102

COHN = 77%

COHN-S = 76%

CM = 85%

6
1998

COHN =207

COHN-S = 310

COHN =153

COHN-S = 234

COHN = 74%

COHN-S = 75%

10

 

1997

COHN = 274

COHN-S = 476

COHN = 199

COHN-S = 354

COHN = 73%

COHN-S = 74%

8
1996

COHN = 201

COHN-S = 315

COHN = 156

COHN-S = 234

COHN = 78%

COHN-S = 74%

22
1995 1260 1004 80%  
1994 955 727 76%  
1993 818 632 77%  
1992 551 405 74%  
1991 408 338 83%  
1990 327 267 80%  
1989 371 296 80%  
1988 336 256 76%  
1987 324 252 78%  
1986 361 283 78%  
1985 267 215 81%  
1984 328 299 91%  
1983 260 242 93%  
1982 260 242 93%  
1981 201 186 93%  
1980 167 157 94%  
1979 167 146 93%  
1978 135 125 93%  
1977 130 118 92%  
1976 146 133 91%  
1975 255 234 92%  
1974 92 82 80%

 

 

                                                  (In 1973, ABOHN certified 983 occupational health nurses as "Founders")