Popularity in the United States (by decade)
Numbers
| Chad (masculine) | Chad (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #1343 | 0.007 | - | - | ||
| 2010 | #727 | 0.016 | - | - | ||
| 2000 | #345 | 0.040 | - | - | ||
| 1990 | #133 | 0.132 | - | - | ||
| 1980 | #55 | 0.359 | - | - | ||
| 1970 | #30 | 0.664 | #1725 | 0.003 | ||
| 1960 | #172 | 0.081 | - | - | ||
| 1950 | #550 | 0.009 | - | - | ||
| 1940 | #1013 | 0.003 | - | - | ||
| 1930 | #1826 | 0.001 | - | - | ||
| 1920 | - | - | - | - | ||
| 1910 | - | - | - | - | ||
| 1900 | - | - | - | - | ||
| 1890 | - | - | - | - | ||
| 1880 | - | - | - | - | ||
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