Health
Arizona vs California: Infant Mortality Rate
California has a lower infant mortality rate than Arizona.
National Rankings
Where They Rank Nationally
See where both states fall among all 50 states for infant mortality rate.
Arizona
#20 · 5.40 per 1,000
California
#5 · 4.18 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
Selected states
#20
Arizona
5.40 per 1,000
Arizona
Arizona ranks 20th and California ranks 5th nationally for infant mortality rate.
What this means
Arizona vs California: Infant Mortality Rate in context
California's infant mortality rate is 4.18 per 1,000, compared with 5.40 per 1,000 in Arizona. Infant deaths per 1,000 live births (CDC NCHS 2024).
Arizona
5.40 per 1,000
California
4.18 per 1,000
People also ask
Arizona vs California Infant Mortality Rate — common questions
QWhat is Arizona's infant mortality rate?
Arizona's infant mortality rate is 5.40 per 1,000.
QWhat is California's infant mortality rate?
California's infant mortality rate is 4.18 per 1,000.
QWhich state has a lower infant mortality rate — Arizona or California?
California has a lower infant mortality rate than Arizona.
More comparisons: Arizona vs California
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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.