# Rio name report

Canonical URL: https://mybabyeta.com/babynames/name/m/rio
Data source: U.S. Social Security Administration public baby-name records
Latest year: 2024

## Summary
Rio ranked #516 officially for boys in 2024. After combined spelling groups, it ranked #513.

## Official spelling
- Rank: #516
- Birth count: 591
- Rate per 10,000: 3.45

## Combined spelling group
- Group display: Rio
- Rank: #513
- Birth count: 591
- Rate per 10,000: 3.45
- Official count multiplier: 1.00x

## Practical popularity
- Expected per class of 25: 0.00
- Expected per grade of 100: 0.02
- Expected per school of 300: 0.05
- Duplicate chance in grade of 100: 1.7%

## Trend
- Label: recently peaked
- Peak rate year: 2024
- Best rank year: 2024
- Latest rate as percent of peak: 100.0%

## Spelling components
- Rio: 591 births

## Methodology notes
- Official SSA ranks treat each spelling separately.
- Combined ranks group spelling variants and recompute ranks by sex.
- State combined counts may be lower bounds when rare state spellings are suppressed.
- Full methodology: https://mybabyeta.com/babynames/methodology