Health
California vs Massachusetts: Infant Mortality Rate
Massachusetts has a lower infant mortality rate than California.
National Rankings
Where They Rank Nationally
See where both states fall among all 50 states for infant mortality rate.
California
#5 · 4.18 per 1,000
Massachusetts
#3 · 3.49 per 1,000
Best
Worst
10 Best States — Infant Mortality Rate
Lower is better
#1
New Hampshire
2.97 per 1,000
New Hampshire
#2
New Jersey
3.37 per 1,000
New Jersey
#3
Massachusetts
3.49 per 1,000
Massachusetts
#4
New York
3.95 per 1,000
New York
#5
California
4.18 per 1,000
California
#6
Rhode Island
4.20 per 1,000
Rhode Island
#7
Hawaii
4.36 per 1,000
Hawaii
#8
Maine
4.48 per 1,000
Maine
#9
Iowa
4.50 per 1,000
Iowa
#10
Connecticut
4.51 per 1,000
Connecticut
California ranks 5th and Massachusetts ranks 3rd nationally for infant mortality rate.
What this means
California vs Massachusetts: Infant Mortality Rate in context
Massachusetts's infant mortality rate is 3.49 per 1,000, compared with 4.18 per 1,000 in California. Infant deaths per 1,000 live births (CDC NCHS 2024).
California
4.18 per 1,000
Massachusetts
3.49 per 1,000
People also ask
California vs Massachusetts Infant Mortality Rate — common questions
QWhat is California's infant mortality rate?
California's infant mortality rate is 4.18 per 1,000.
QWhat is Massachusetts's infant mortality rate?
Massachusetts's infant mortality rate is 3.49 per 1,000.
QWhich state has a lower infant mortality rate — California or Massachusetts?
Massachusetts has a lower infant mortality rate than California.
More comparisons: California vs Massachusetts
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Data source and freshness
Primary source
Data period
2024
Dataset reviewed
July 23, 2026
Method note
Infant deaths per 1,000 live births.