Title page
Contents
Executive Summary 9
1. Introduction 11
2. The National Estimates of Booster Seat Use 12
Who Should Be in Booster Seats? 12
The National Estimates 12
3. Premature Transition 18
Premature Transition Among Children Under Age 1 18
Premature Transition Among Children 1 to 3 Years Old 18
Premature Transition Among Children 4 to 7 Years Old 19
Restraint Use Among Children 8 to 12 Years Old 20
Premature Transition Based on Weight and Height 21
Children Weighing Less Than 20 Pounds 21
Children Weighing 20 to 40 Pounds 22
Children Less Than 57 Inches Tall 22
4. Demographic Results 31
Age 31
Race and Ethnicity 31
Gender 33
5. Occupants Traveling With Children 39
6. NSUBS Methodology 43
Sample Design 43
Sample Size 43
Data Collection 44
Estimation 45
7. References 46
Table 1. Booster Seat Use, by Age, Weight, or Height 15
Table 2. Distribution of Restraint Types Among Children 4 to 7 Years Old, by Sub-Age Groups 17
Table 3. The Types of Restraints Used by Children Newborn to 12 Years Old, by Age 25
Table 4. The Types of Restraints Used by Children Newborn to 12 Years Old, by Weight 27
Table 5. The Types of Restraints Used by Children Newborn to 12 Years Old, by Height 29
Table 6. Restraint Use Among Children From Birth to 12 Months Old 35
Table 7. Restraint Use Among Children 1 to 3 Years Old 36
Table 8. Restraint Use Among Children 4 to 7 Years Old 37
Table 9. Restraint Use Among Children 8 to 12 Years Old 38
Table 10. Restraint Use of Occupants Traveling With Children by Age and Race/Ethnicity 41
Table 11. Sites, Vehicles, Occupants, and Children Newborn to 12 Years Old in NSUBS 44
Figure 1. Booster Seat Use Among 4- to 7-Year Old Children, National Estimates 12
Figure 2. Restraint Use for Children 4 to 7 Years Old 13
Figure 3. Restraint Use for Children 4 and 5 Years Old 13
Figure 4. Restraint Use for Children 6 and 7 Years Old 14
Figure 5. Restraint Use for Children Under Age 1 18
Figure 6. Restraint Use for Children 1 to 3 Years Old 19
Figure 7. Restraint Use for Children 4 to 7 Years Old 20
Figure 8. Restraint Use for Children 8 to 12 Years Old 20
Figure 9. Restraint Use for Children Under 20 Pounds 21
Figure 10. Distribution of Restraint Types for Children Who Were 20 to 40 Lbs. 22
Figure 11. Distribution of Restraint Types in 2021 for Children up to 12 Years Old Who Were 37-56 Inches Tall 23
Figure 12. Distribution of Restraint Types for Children up to 12 Years Old Who Were 37-53 Inches Tall 23
Figure 13. Distribution of Restraint Types for Children up to 12 Years Old Who Were 54-56 Inches Tall 24
Figure 14. Child Restraint Use by Age and Year 31
Figure 15. Child Restraint Use by Race and Ethnicity 32
Figure 16. Child Restraint Use by Age and Hispanic Origin in 2021 32
Figure 17. Child Restraint Use by Age and Gender in 2021 34
Figure 18. Restraint Use by Age and Race/Ethnicity for Occupants Traveling With Children in 2021 40
Figure 19. Restraint Use by Age and Hispanic Origin for Occupants Traveling With Children in 2021 40