Yes, 5’5″ is almost exactly the average height for an adult woman in the United States. The national average sits right around 5’4″ to 5’5″ (roughly 163 cm), making a woman at 5’5″ statistically typical or just slightly above the midpoint.
How 5’5″ Compares in the U.S.
Federal health survey data puts the average height for American women at about 163 cm, which falls between 5’4″ and 5’5″. The averages are similar across racial and ethnic groups. NHANES data shows both Black and white American women averaging around 163 cm, with only minor differences between groups. At 5’5″ (165 cm), you’re within a centimeter or two of the national mean, which places you squarely in the middle of the distribution.
That means roughly half of American women are shorter than you and roughly half are taller. In practical terms, standard clothing sizes, car seat adjustments, and ergonomic furniture are all designed with your height in mind.
How 5’5″ Compares Globally
Where you stand on the height spectrum depends heavily on geography. The global average for women is about 151.5 cm (just under 5’0″), which means a 5’5″ woman is noticeably taller than the worldwide norm. But averages vary dramatically by region:
- Netherlands: 5’7″ (170 cm), the tallest in the world
- Canada: 5’5″ (165 cm)
- South Korea: 5’4″ (163 cm)
- Brazil: 5’4″ (162 cm)
- Ethiopia: 5’2″ (157 cm)
In Northern Europe, 5’5″ would put you on the shorter side. In much of Asia, South America, and Africa, the same height would be above average. In North America, you blend right in.
What Determines Your Height
About 80% of your adult height comes from the DNA you inherited from your parents. The remaining 20% is shaped by environmental factors, primarily nutrition during childhood and adolescence. This is why average heights differ so much between countries: populations with better access to protein-rich diets and consistent childhood nutrition tend to be taller on average, even when genetic backgrounds are similar.
Interestingly, Americans have actually gotten slightly shorter in recent decades. Research published in SSM Population Health found that adult height in the U.S. began declining among people born around the early 1980s. White women born after that inflection point are about 0.7 cm shorter on average than earlier cohorts. The trend is modest but statistically significant across all demographic groups studied, and it mirrors a broader slowdown in life expectancy gains during the same period. Researchers point to nutritional quality, healthcare access, and socioeconomic inequality as likely contributors.
Healthy Weight Range at 5’5″
Height matters for understanding your healthy weight range because BMI calculations are height-dependent. For a woman who is 5’5″, the NIH’s BMI table places a healthy weight between about 114 and 144 pounds (corresponding to a BMI of 19 to 24). At 150 pounds, the BMI crosses into the overweight category at 25.
These numbers are population-level guidelines, not precise cutoffs for individual health. Muscle mass, bone density, and body composition all influence what a healthy weight looks like for any given person. But having a sense of the range is useful as a general reference point, and your height is the single biggest factor in determining where that range falls.