State mortality · CDC NCHS 2017

Connecticut - Mortality Statistics

22,103 deaths in 2017 across 10 tracked causes, at a state average age-adjusted rate of 46.2 per 100,000.

Data updated 2017-12-31

22,103
Deaths, 2017: Heart disease
Leading cause: −17%
vs national avg: 46.2
Avg age-adj /100K

The verdict

Connecticut's leading killer is heart disease at 141.6 per 100K (age-adjusted); the state's average age-adjusted rate across tracked causes runs 17% below the national figure.

141.6
Heart disease /100K, leading: −17%
vs national avg rate: -25.5%
rate, 1999-2017: 22,103
total deaths, 2017

Source: CDC WONDER, Underlying Cause of Death (CDC NCHS / NVSS), 2017. Age-adjusted rates allow fair comparison across states.

FIPS 09 · CDC WONDER 2017

Connecticut mortality desk

RATE-QUIET 46.2/100K DEATHS-MID 22K deaths RANK-QUIET #50/51 LEAD-CAUSE Heart disease · 141.6 NAT-BELOW −17% vs US TREND-STEEP-DOWN -25.5% 18y PHOTO-FINISH Minnesota · ±0.3 BOOK-FULL 10 causes · 2017

2017: 22,103 deaths across 10 tracked causes at 46.2/100K mean age-adjusted · corpus #50/51 · 17% below US avg. Nearest rate peer: Minnesota (+0.3/100K).

Neighbourhood around Connecticut's 46.2/100K mean, not a full 51-state distribution reprint.

Top 5 Causes of Death

The five leading causes account for 18,698 deaths (84.6% of all deaths) in Connecticut.

1. Heart disease 7,138 (32.3%)

2. Cancer 6,608 (29.9%)

3. Unintentional injuries 2,078 (9.4%)

4. CLRD 1,471 (6.7%)

5. Stroke 1,403 (6.3%)

All Causes of Death in Connecticut (2017)

#	Cause of death	Deaths	% of total	Age-adj /100K
1	Heart disease	7,138	32.3%	141.6
2	Cancer	6,608	29.9%	139.6
3	Unintentional injuries	2,078	9.4%	53.2
4	CLRD	1,471	6.7%	30.4
5	Stroke	1,403	6.3%	27.8
6	Alzheimer's disease	1,077	4.9%	20.4
7	Diabetes	694	3.1%	14.5
8	Influenza and pneumonia	675	3.1%	13.1
9	Kidney disease	554	2.5%	11.2
10	Suicide	405	1.8%	10.5

Mortality Trends Over Time

Connecticut - average age-adjusted death rate across all leading causes.

Show the full 19-year data table (deaths, rate, year-over-year change)

Year	Total Deaths	Avg Age-Adj Rate	Deaths YoY
1999	23,339	62.0	-
2000	23,704	62.3	+1.6%
2001	23,274	60.1	-1.8%
2002	23,421	59.5	+0.6%
2003	22,881	57.0	-2.3%
2004	22,588	55.9	-1.3%
2005	22,254	54.1	-1.5%
2006	22,010	53.0	-1.1%
2007	21,298	50.5	-3.2%
2008	21,570	50.3	+1.3%
2009	21,124	48.7	-2.1%
2010	21,058	47.9	-0.3%
2011	21,285	47.7	+1.1%
2012	20,983	46.5	-1.4%
2013	20,974	45.8	-0.0%
2014	21,150	45.9	+0.8%
2015	21,681	46.5	+2.5%
2016	21,692	46.5	+0.1%
2017	22,103	46.2	+1.9%

(Phase 2 - dim 5+6 connective signal). The card grid + this table used to show the SAME 3-5 neighbor states' SAME stats twice in a row -- merged into one section, the table absorbs the card grid's job since it already links each state name AND adds California's own row for direct comparison. -->

Nearby States & Comparisons

Compare mortality data with states bordering Connecticut (2017).

State	Deaths (Top Cause)	Leading Cause	Age-Adj Rate
Connecticut (this state)	7,138	Heart disease	141.6
Massachusetts	12,934	Cancer	149.3
New York	44,092	Heart disease	171.2
Rhode Island	2,339	Heart disease	155.7

Compare leading causes of death in Connecticut →

States with similar CDC WONDER rates

Two non-border peer sets for Connecticut in 2017. Border neighbors stay in the table above; these lists are nearest other jurisdictions on published age-adjusted rates.

Similar mean leading-cause rate

Nearest jurisdictions by mean age-adjusted rate across leading causes (46.2/100K here), excluding bordering states.

Minnesota 46.5/100K California 47.6/100K Colorado 47.9/100K Hawaii 44.2/100K

Similar suicide rate (X60-X84)

Nearest jurisdictions by suicide age-adjusted rate, excluding the mean-rate peer set and bordering states.

Maryland 9.9/100K Illinois 11.2/100K Delaware 11.6/100K New Jersey 8.3/100K

Dig deeper into Connecticut's mortality data

All causes in Connecticut → Compare Connecticut →

Frequently Asked Questions

What is the leading cause of death in Connecticut? ▼

Heart disease tops the 2017 record for Connecticut, accounting for 7,138 deaths at 141.6 per 100,000 (age-adjusted).

How many people died in Connecticut in 2017? ▼

In 2017, there were 22,103 recorded deaths in Connecticut across 10 tracked causes of death.

What are the top 3 causes of death in Connecticut? ▼

The top 3 causes of death in Connecticut (2017) are: 1) Heart disease (7,138 deaths), 2) Cancer (6,608 deaths), and 3) Unintentional injuries (2,078 deaths).

How does Connecticut's mortality rate compare to the national average? ▼

Connecticut's average age-adjusted mortality rate is 46.2 per 100,000, which is below the national average of 55.5 per 100,000.

Has the death rate in Connecticut increased or decreased over time? ▼

From 1999 to 2017, total deaths in Connecticut changed by -5.3%. The average age-adjusted rate decreased by 25.5%.

What years of mortality data are available for Connecticut? ▼

Mortality data for Connecticut is available from 1999 to 2017, covering 19 years of CDC WONDER data.

Where does Connecticut rank nationally for Heart disease? ▼

Connecticut places #43 nationally (out of 51 states) for Heart disease, with an age-adjusted mortality rate of 141.6 per 100,000.

Data source & methodology

Rates are per 100,000 population. Age-adjusted rates use the year 2000 US standard population. Data covers 1999-2017. Source: CDC WONDER, Underlying Cause of Death (CDC NCHS / NVSS).

Read our methodology - how this data is sourced, computed, and verified.

According to the CDC National Center for Health Statistics, PlainHealthData's mortality figures are rendered directly from 9,690 official state-year-cause records (NCHS Leading Causes of Death for calendar years 1999-2017). June 2026 is when this portal last verified that frozen CDC file is intact; it is not a newer claims year. No figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2017.