A number representing one million million
Trillion is a modern English word-name derived from the mathematical term for the number 10 to the 12th power. It follows the trend of using large numbers or units of currency as names to signify immense value or prosperity. While extremely rare, it fits into the contemporary category of bold, aspirational word-names.
Less common today
Trillion isn't in the latest US Top 1000. It last peaked at #5,307 in 2025.
US births per 5-year period, 1990–present (SSA data).
