Comparisons with numerals (más de, menos de)

Comparing Quantities

Normally in Spanish, you use más que (more than) or menos que (less/fewer than) to compare two things. However, when your comparison is followed by a number or a mathematical quantity, que changes to de.

Más de (More than)

When dealing with demographic data, census results, or ages, use más de before a number to say "more than" or "over."

In that survey there are more than fifty questions.
En esa encuesta hay más de cincuenta preguntas.
According to that census, there are more than a thousand people in the population.
Según ese censo, hay más de mil personas en la población.
The majority of the population is over thirty years old.
La mayoría de la población tiene más de treinta años.

Menos de (Less / Fewer than)

Similarly, use menos de before a number to say "less than" or "fewer than."

That town has fewer than a hundred inhabitants.
Ese pueblo tiene menos de cien habitantes.
That group has fewer than twenty people.
Ese grupo tiene menos de veinte personas.

Working with Fractions

This rule also applies to numerical concepts and fractions, such as la mitad (half).

More than half of the people are not in the registry.
Más de la mitad de la gente no está en el registro.
That percentage is less than half.
Ese porcentaje es menos de la mitad.