How to Say "ten-year period" in Spanish
The Spanish word for “ten-year period” is “década” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
nounB1
formal alternative

Examples
La década de los noventa trajo muchos cambios tecnológicos.
The decade of the nineties brought many technological changes.
Necesitamos un plan que cubra la próxima década.
We need a plan that covers the next decade.
Después de una década de trabajo duro, finalmente se retiró.
After a decade of hard work, he finally retired.
Feminine Noun Rule
Even though 'diez' (ten) is a number, 'década' is always a feminine noun, so you must use 'la' or 'una' with it.
Pronunciation of the Accent
Mistake: “Pronouncing it DEH-cah-DAH (stressing the last syllable).”
Correction: The accent mark tells you to stress the first syllable: DÉ-ca-da.
Related Translations
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