How Many People Are Named Sei?
Complete statistics for the name Sei: rarity score, gender breakdown, age distribution, historical popularity, worldwide data, meaning and origin.
Sei means 'to come' in Japanese, making it a name with movement and purpose. Only 7 people named Sei live in the US today, which is just 1 in 47,704,820 Americans. The majority of these people are under 30, giving it a truly modern vibe.
📖 Meaning & Origin
Life-path number 6 represents harmony, balance, and responsibility.
🌍 Worldwide Usage
⚥ Gender Distribution
📊 Births by Age Group
Avg Cohort Age: 19All 7 recorded US births for this name, grouped by the age those individuals would be today. Not adjusted for survival, so the number living today is lower (see the living estimate above).
📈 Popularity Over Time
Peak: 2007Annual US births from SSA records · Trend: Stable
🏆 Name Scorecard
Scores 0–100 based on statistical analysis of US and worldwide name frequency
📜 Sei Through the Generations
Sei, a name that's been around since 2007, saw its peak popularity with 7 births that year. Today, there are still only 7 people named Sei in the United States, all under the age of 30. This makes Sei a genuinely modern name, with no one named Sei over 60 years old.
📄 About the Name Sei
How Many People Have the Name Sei?
Based on Social Security Administration birth records and age-adjusted survival modeling, approximately 280 people in the United States currently share the name Sei. That works out to roughly 1 in every 1,183,747 Americans, placing it in the Very Rare category.
Is Sei a Common or Rare Name?
Sei is classified as Very Rare. The rarity scale runs from Very Common (shared by millions) through Common, Uncommon, Rare, and Very Rare. Understanding where a name sits helps parents gauge uniqueness, genealogists narrow down records, and individuals settle debates about their own name's distinctiveness.
What Does the Name Sei Mean?
Sei means "to come" and comes from Japanese origins. The name carries a life-path numerology number of 6.
Gender Breakdown
Of all recorded bearers of Sei in SSA data, approximately 100% are male and 0% are female.
When Was Sei Most Popular?
The name Sei reached peak popularity in 2007, with 7 babies registered that year. Current trend: Stable.
How Is This Data Calculated?
All figures are statistical estimates, not exact government headcounts. The underlying data comes from the SSA National Baby Names dataset. Full methodology is explained on the methodology page.
❓ Frequently Asked Questions
How many people are named Sei?
Approximately 280 people named Sei live in the United States today. All-time US births on record total 280. That works out to roughly 1 in 1,183,747 Americans.
Is Sei a rare name?
Sei is classified as Very Rare in the United States. Approximately 1 in every 1,183,747 Americans has this name.
What does the name Sei mean?
Sei means "to come" and comes from Japanese origins.
Is Sei more male or female?
Based on SSA records, 100% of people named Sei are male and 0% are female.
When was Sei most popular?
Sei peaked in 2007 with 7 births that year. Current trend: Stable.
How accurate are these statistics?
All figures are statistical estimates based on SSA birth records and age-adjusted modeling. See the methodology page for full details.