Certification Statistics

ABOHN has certified 16,630 individuals since its foundation.

  • 983 certified as Founders
  • 15,284 certified by Examination
  • 363 certified through Reciprocity
Year of Examination Number of Examinees Number of Passing Examinees

Percent Passing

(Pass Rate)

Certified by Reciprocity
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")