CDC - List of States Conducting Surveillance by Year

State Data Variables
Data Year	Number of Variables	Number of States collecting surveillance data	Number of records in data set
2023	350	52	433,323
2022	326	54	445,132
2021	303	53	438,693
2020	279	53	401,958
2019	342	52	418,268
2018	275	53	437,436
2017	358	53	450,016
2016	275	54	486,303
2015	330	53	441,456
2014	279	53	464,664
2013	359	53	491,773
2012	359	53	475,687
2011	450	53	506,022
2010	378	54	451,075
2009	405	54	432,607
2008	292	54	414,509
2007	342	54	430,912
2006	302	53	355,710
2005	329	53	356,112
2004	293	52	303,821
2003	294	54	264,684
2002	310	54	247,964
2001	291	54	212,510
2000	289	52	184,450
1999	281	52	159,989
1998	326	52	149,342
1997	268	52	135,582
1996	263	52	124,085
1995	212	50	113,934
1994	209	50	105,853
1993	197	50	102,263
1992	181	49	96,213
1991	180	48	87,846
1990	193	45	81,557
1989	162	40	66,867
1988	152	37	56,448
1987	116	33	50,081
1986	108	26	34,395
1985	100	22	25,221
1984	98	15	12,258

States Conducting Surveillance, by Year
State	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Alabama	M	M	M	M	M	M	M	M	M	M	M	M	M
Alaska	M	M	M	M	M	M	M	M	M	M	M	M	M
Arizona	M	M	M	M	M	M	M	M	M	M	M	M	M
Arkansas	M	M	M	M	M	M	M	M	M	M	M	M	M
California	M	M	M	M	M	M	M	M	M	M	M	M	M
Colorado	M	M	M	M	M	M	M	M	M	M	M	M	M
Connecticut	M	M	M	M	M	M	M	M	M	M	M	M	M
Delaware	M	M	M	M	M	M	M	M	M	M	M	M	M
District of Columbia	M	M	M	M	M	M	M	M	M	M	M	M	M
Florida	M	M	M	M	M	M	M	M	M	M		M	M
Georgia	M	M	M	M	M	M	M	M	M	M	M	M	M
Guam	M	M	M	M	M	M	M	M	M	M	M	M	M
Hawaii	M	M	M	M	M	M	M	M	M	M	M	M	M
Idaho	M	M	M	M	M	M	M	M	M	M	M	M	M
Illinois	M	M	M	M	M	M	M	M	M	M	M	M	M
Indiana	M	M	M	M	M	M	M	M	M	M	M	M	M
Iowa	M	M	M	M	M	M	M	M	M	M	M	M	M
Kansas	M	M	M	M	M	M	M	M	M	M	M	M	M
Kentucky	M	M	M	M	M	M	M	M	M	M	M	M	X
Louisiana	M	M	M	M	M	M	M	M	M	M	M	M	M
Maine	M	M	M	M	M	M	M	M	M	M	M	M	M
Maryland	M	M	M	M	M	M	M	M	M	M	M	M	M
Massachusetts	M	M	M	M	M	M	M	M	M	M	M	M	M
Michigan	M	M	M	M	M	M	M	M	M	M	M	M	M
Minnesota	M	M	M	M	M	M	M	M	M	M	M	M	M
Mississippi	M	M	M	M	M	M	M	M	M	M	M	M	M
Missouri	M	M	M	M	M	M	M	M	M	M	M	M	M
Montana	M	M	M	M	M	M	M	M	M	M	M	M	M
Nebraska	M	M	M	M	M	M	M	M	M	M	M	M	M
Nevada	M	M	M	M	M	M	M	M	M	M	M	M	M
New Hampshire	M	M	M	M	M	M	M	M	M	M	M	M	M
New Jersey	M	M	M	M	M	M	M	M		M	M	M	M
New Mexico	M	M	M	M	M	M	M	M	M	M	M	M	M
New York	M	M	M	M	M	M	M	M	M	M	M	M	M
North Carolina	M	M	M	M	M	M	M	M	M	M	M	M	M
North Dakota	M	M	M	M	M	M	M	M	M	M	M	M	M
Ohio	M	M	M	M	M	M	M	M	M	M	M	M	M
Oklahoma	M	M	M	M	M	M	M	M	M	M	M	M	M
Oregon	M	M	M	M	M	M	M	M	M	M	M	M	M
Pennsylvania	M	M	M	M	M	M	M	M	M	M	M	M	X
Puerto Rico	M	M	M	M	M	M	M	M	M	M	M	M	M
Rhode Island	M	M	M	M	M	M	M	M	M	M	M	M	M
South Carolina	M	M	M	M	M	M	M	M	M	M	M	M	M
South Dakota	M	M	M	M	M	M	M	M	M	M	M	M	M
Tennessee	M	M	M	M	M	M	M	M	M	M	M	M	M
Texas	M	M	M	M	M	M	M	M	M	M	M	M	M
Utah	M	M	M	M	M	M	M	M	M	M	M	M	M
Vermont	M	M	M	M	M	M	M	M	M	M	M	M	M
Virginia	M	M	M	M	M	M	M	M	M	M	M	M	M
Virgin Islands	X					M					M	M	M
Washington	M	M	M	M	M	M	M	M	M	M	M	M	M
West Virginia	M	M	M	M	M	M	M	M	M	M	M	M	M
Wisconsin	M	M	M	M	M	M	M	M	M	M	M	M	M
Wyoming	M	M	M	M	M	M	M	M	M	M	M	M	M
Total Surveillance	53	53	53	53	53	54	53	53	52	53	53	54	52

States Conducting Surveillance, By Year 2001-2010
State	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010
Alabama	X	X	X	X	X	X	X	X	X	X
Alaska	X	X	X	X	X	X	X	X	X	X
Arizona	X	X	X	X	X	X	X	X	X	X
Arkansas	X	X	X	X	X	X	X	X	X	X
California	X	X	X	X	X	X	X	X	X	X
Colorado	X	X	X	X	X	X	X	X	X	X
Connecticut	X	X	X	X	X	X	X	X	X	X
Delaware	X	X	X	X	X	X	X	X	X	X
District of Columbia	X	X	X	X	X	X	X	X	X	X
Florida	X	X	X	X	X	X	X	X	X	X
Georgia	X	X	X	X	X	X	X	X	X	X
Guam	X	X	X				X	X	X	X
Hawaii	X	X	X		X	X	X	X	X	X
Idaho	X	X	X	X	X	X	X	X	X	X
Illinois	X	X	X	X	X	X	X	X	X	X
Indiana	X	X	X	X	X	X	X	X	X	X
Iowa	X	X	X	X	X	X	X	X	X	X
Kansas	X	X	X	X	X	X	X	X	X	X
Kentucky	X	X	X	X	X	X	X	X	X	X
Louisiana	X	X	X	X	X	X	X	X	X	X
Maine	X	X	X	X	X	X	X	X	X	X
Maryland	X	X	X	X	X	X	X	X	X	X
Massachusetts	X	X	X	X	X	X	X	X	X	X
Michigan	X	X	X	X	X	X	X	X	X	X
Minnesota	X	X	X	X	X	X	X	X	X	X
Mississippi	X	X	X	X	X	X	X	X	X	X
Missouri	X	X	X	X	X	X	X	X	X	X
Montana	X	X	X	X	X	X	X	X	X	X
Nebraska	X	X	X	X	X	X	X	X	X	X
Nevada	X	X	X	X	X	X	X	X	X	X
New Hampshire	X	X	X	X	X	X	X	X	X	X
New Jersey	X	X	X	X	X	X	X	X	X	X
New Mexico	X	X	X	X	X	X	X	X	X	X
New York	X	X	X	X	X	X	X	X	X	X
North Carolina	X	X	X	X	X	X	X	X	X	X
North Dakota	X	X	X	X	X	X	X	X	X	X
Ohio	X	X	X	X	X	X	X	X	X	X
Oklahoma	X	X	X	X	X	X	X	X	X	X
Oregon	X	X	X	X	X	X	X	X	X	X
Pennsylvania	X	X	X	X	X	X	X	X	X	X
Puerto Rico	X	X	X	X	X	X	X	X	X	X
Rhode Island	X	X	X	X	X	X	X	X	X	X
South Carolina	X	X	X	X	X	X	X	X	X	X
South Dakota	X	X	X	X	X	X	X	X	X	X
Tennessee	X	X	X	X	X	X	X	X	X	X
Texas	X	X	X	X	X	X	X	X	X	X
Utah	X	X	X	X	X	X	X	X	X	X
Vermont	X	X	X	X	X	X	X	X	X	X
Virginia	X	X	X	X	X	X	X	X	X	X
Virgin Islands	X	X	X	X	X	X	X	X	X	X
Washington	X	X	X	X	X	X	X	X	X	X
West Virginia	X	X	X	X	X	X	X	X	X	X
Wisconsin	X	X	X	X	X	X	X	X	X	X
Wyoming	X	X	X	X	X	X	X	X	X	X
Total Surveillance	54	54	54	52	53	53	54	54	54	54

States Conducting Surveillance, By Year 1991-2000
State	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000
Alabama	X	X	X	X	X	X	X	X	X	X
Alaska	X	X	X	X	X	X	X	X	X	X
Arizona	X	X	X	X	X	X	X	X	X	X
Arkansas	X		X	X	X	X	X	X	X	X
California	X	X	X	X	X	X	X	X	X	X
Colorado	X	X	X	X	X	X	X	X	X	X
Connecticut	X	X	X	X	X	X	X	X	X	X
Delaware	X	X	X	X	X	X	X	X	X	X
District of Columbia	X	X	X	X		X	X	X	X	X
Florida	X	X	X	X	X	X	X	X	X	X
Georgia	X	X	X	X	X	X	X	X	X	X
Guam
Hawaii	X	X	X	X	X	X	X	X	X	X
Idaho	X	X	X	X	X	X	X	X	X	X
Illinois	X	X	X	X	X	X	X	X	X	X
Indiana	X	X	X	X	X	X	X	X	X	X
Iowa	X	X	X	X	X	X	X	X	X	X
Kansas		X	X	X	X	X	X	X	X	X
Kentucky	X	X	X	X	X	X	X	X	X	X
Louisiana	X	X	X	X	X	X	X	X	X	X
Maine	X	X	X	X	X	X	X	X	X	X
Maryland	X	X	X	X	X	X	X	X	X	X
Massachusetts	X	X	X	X	X	X	X	X	X	X
Michigan	X	X	X	X	X	X	X	X	X	X
Minnesota	X	X	X	X	X	X	X	X	X	X
Mississippi	X	X	X	X	X	X	X	X	X	X
Missouri	X	X	X	X	X	X	X	X	X	X
Montana	X	X	X	X	X	X	X	X	X	X
Nebraska	X	X	X	X	X	X	X	X	X	X
Nevada		X	X	X	X	X	X	X	X	X
New Hampshire	X	X	X	X	X	X	X	X	X	X
New Jersey	X	X	X	X	X	X	X	X	X	X
New Mexico	X	X	X	X	X	X	X	X	X	X
New York	X	X	X	X	X	X	X	X	X	X
North Carolina	X	X	X	X	X	X	X	X	X	X
North Dakota	X	X	X	X	X	X	X	X	X	X
Ohio	X	X	X	X	X	X	X	X	X	X
Oklahoma	X	X	X	X	X	X	X	X	X	X
Oregon	X	X	X	X	X	X	X	X	X	X
Pennsylvania	X	X	X	X	X	X	X	X	X	X
Puerto Rico						X	X	X	X	X
Rhode Island	X	X			X	X	X	X	X	X
South Carolina	X	X	X	X	X	X	X	X	X	X
South Dakota	X	X	X	X	X	X	X	X	X	X
Tennessee	X	X	X	X	X	X	X	X	X	X
Texas	X	X	X	X	X	X	X	X	X	X
Utah	X	X	X	X	X	X	X	X	X	X
Vermont	X	X	X	X	X	X	X	X	X	X
Virginia	X	X	X	X	X	X	X	X	X	X
Virgin Islands
Washington	X	X	X	X	X	X	X	X	X	X
West Virginia	X	X	X	X	X	X	X	X	X	X
Wisconsin	X	X	X	X	X	X	X	X	X	X
Wyoming			X	X	X	X	X	X	X	X
Total Surveillance	48	49	50	50	50	52	52	52	52	52

States Conducting Surveillance, By Year 1984-1990
State	1984	1985	1986	1987	1988	1989	1990
Alabama			X	X	X	X	X
Alaska
Arizona	X	X	X	X	X	X	X
Arkansas
California	X	X	X	X	X	X	X
Colorado							X
Connecticut		X			X	X	X
Delaware							X
District of Columbia		X	X	X	X	X	X
Florida		X	X	X	X	X	X
Georgia		X	X	X	X	X	X
Guam
Hawaii			X	X	X	X	X
Idaho	X	X	X	X	X	X	X
Illinois	X	X	X	X	X	X	X
Indiana	X	X	X	X	X	X	X
Iowa					X	X	X
Kansas
Kentucky		X	X	X	X	X	X
Louisiana							X
Maine				X	X	X	X
Maryland				X	X	X	X
Massachusetts			X	X	X	X	X
Michigan					X	X	X
Minnesota	X	X	X	X	X	X	X
Mississippi							X
Missouri			X	X	X	X	X
Montana	X	X	X	X	X	X	X
Nebraska				X	X	X	X
Nevada
New Hampshire				X	X	X	X
New Jersey
New Mexico			X	X	X	X	X
New York		X	X	X	X	X	X
North Carolina	X	X	X	X	X	X	X
North Dakota		X	X	X	X	X	X
Ohio	X	X	X	X	X	X	X
Oklahoma					X	X	X
Oregon						X	X
Pennsylvania						X	X
Puerto Rico
Rhode Island	X	X	X	X	X	X	X
South Carolina	X	X	X	X	X	X	X
South Dakota				X	X	X	X
Tennessee	X	X	X	X	X	X	X
Texas				X	X	X	X
Utah	X	X	X	X	X	X	X
Vermont							X
Virginia						X	X
Virgin Islands
Washington				X	X	X	X
West Virginia	X	X	X	X	X	X	X
Wisconsin	X	X	X	X	X	X	X
Wyoming
Total Surveillance	15	22	26	33	37	40	45

CDC – List of States Conducting Surveillance by Year