How To Say How Old Are You In Spanish

When you want to ask someone's age in Spanish, you can't just translate word-for-word from English. In English, we use the verb "to be"—you ask, "How old are you?" and answer, "I am twenty-five years old." Spanish takes a completely different route. Instead of using the verb estar or ser (both meaning "to be"), Spanish speakers use the verb tener, which means "to have."

Literally translated, when you ask someone their age in Spanish, you're asking, "How many years do you have?" And when you answer, you say, "I have twenty-five years." This is one of the most common stumbling blocks for beginners, but once you grasp this foundational shift from "being" to "having," it becomes second nature. Let's look at how this works across different levels of formality, regional variations, and conversational contexts.

The Core Question: Formal vs. Informal

Spanish distinguishes between formal and informal interactions using different pronouns. This applies directly to asking someone's age. You need to know who you're talking to before you form your sentence.

The Informal Question (Tú)

Use this version with friends, peers, children, and anyone younger than you or close to your age.

• ¿Cuántos años tienes? (How old are you?)

Here, tienes is the conjugated form of tener for tú (you, informal). The noun años means years, and cuántos means how many.

The Formal Question (Usted)

Use this version with people older than you, strangers, authority figures, professionals, or in any setting where politeness and distance are expected.

• ¿Cuántos años tiene? (How old are you?)

Here, tiene is the conjugated form of tener for usted (you, formal). Notice that the rest of the sentence stays identical. The context and the verb conjugation do all the heavy lifting to signal respect.

The Plural Question (Ustedes)

If you're asking a group of people their age—such as a group of students or family members—you use the plural form.

• ¿Cuántos años tienen? (How old are you all?)

Here, tienen is the conjugated form for ustedes (you all).

How to Answer: The Tener Formula

Answering the question follows the exact same logic. You start with the subject pronoun (optional, since the verb ending usually makes it clear) followed by tener, your number, and the word años.

• Tengo veinticinco años. (I am twenty-five years old. / Literally: I have twenty-five years.)
• Tiene cuarenta años. (He/She is forty years old.)
• Tenemos dieciocho años. (We are eighteen years old.)

If you want to keep things casual, native speakers often drop the word años entirely if the context is obvious. If someone asks ¿Cuántos años tienes?, you can simply reply:

• Tengo veinticinco. (I'm twenty-five.)

This is standard in fast-paced, spoken conversation, much like dropping "years old" in English.

Essential Numbers for Age

You can't talk about age without numbers. Spanish numbers follow clear patterns, but the teens and twenties have specific rules worth reviewing.

From Zero to Twenty

• 0: cero
• 1: uno (becomes un before masculine nouns, but for age you just use numbers directly)
• 2: dos
• 3: tres
• 4: cuatro
• 5: cinco
• 6: seis
• 7: siete
• 8: ocho
• 9: nueve
• 10: diez
• 11: once
• 12: doce
• 13: trece
• 14: catorce
• 15: quince
• 16: dieciséis
• 17: diecisiete
• 18: dieciocho
• 19: diecinueve
• 20: veinte

The Twenties (Veinti...)

Unlike English, which introduces a new root word for thirty (thirty, thirteen), Spanish twenties are written as a single combined word up to twenty-nine. This is a common typo spot for learners.

• 21: veintiuno (or veintiún before a noun)
• 22: veintidós
• 23: veintitrés
• 24: veinticuatro
• 25: veinticinco
• 26: veintiséis
• 27: veintisiete
• 28: veintiocho
• 29: veintinueve

Decades and Beyond

From thirty onward, numbers are split into separate words connected by the word y (and).

• 30: treinta
• 31: treinta y uno
• 40: cuarenta
• 50: cincuenta
• 60: sesenta
• 70: setenta
• 80: ochenta
• 90: noventa
• 100: cien

For a complete reference on Spanish grammar rules and structures, you can check the Real Academia Española guidelines, which regulate the official usage of the Spanish language.

Regional Variations and Cultural Etiquette

Language shifts depending on where you travel in the Spanish-speaking world. While ¿Cuántos años tienes? is universally understood everywhere from Madrid to Mexico City, local nuances exist.

Asking About Children and Babies

When asking about very young children or infants, native speakers often shift phrasing. Instead of asking how many years they have, they ask about months.

• ¿Cuántos meses tiene el bebé? (How many months old is the baby?)
• Tiene ocho meses. (He is eight months old.)

For toddlers, people might ask:

• ¿Qué edad tiene? (What age does he/she have?)

This phrase, ¿Qué edad tiene?, is slightly more formal or journalistic, but it's used conversationally across Latin America when asking about adults or children alike.

Cultural Politeness Around Age

In many English-speaking cultures, asking someone's age can be considered intrusive or overly direct. In much of Latin America and Spain, social norms around age can be more direct, especially among family members, acquaintances, or within community settings. However, asking an adult woman her age in formal professional settings is still considered impolite, just as it is in North America or Europe. If you're unsure, stick to informal peer groups before inquiring about someone's age.

Common Mistakes to Avoid

Language learners repeat the same errors when first tackling this topic. Keep these pitfalls in mind to sound natural right away.

• Using ser instead of tener: Saying Soy veintiún años is incorrect because it translates to "I am twenty-one years old" using the verb for permanent identity (ser). Always use tener.
• Forgetting the accent marks on numbers: Numbers like veintidós, veintitrés, and veintiséis require written accent marks on the final vowel. Leaving them off changes the pronunciation syllable stress.
• Overcomplicating the response: You don't need to add extra words. Tengo treinta años is complete, grammatically correct, and universally understood.

Frequently Asked Questions

Can I ask "What is your age?" literally?

Yes. You can say ¿Cuál es tu edad?, which translates directly to "What is your age?" However, this sounds a bit more clinical or bureaucratic—like something you would see on a medical form or a passport application. In everyday conversation, stick to ¿Cuántos años tienes?.

How do I ask someone when their birthday is?

If you want to follow up after learning someone's age, you can ask about their birthday using the verb ser. Say: ¿Cuándo es tu cumpleaños? (When is your birthday?). To answer, use es el followed by the day and month, such as Es el cinco de mayo (It's May fifth).

What if I don't know the exact age and want to estimate?

You can use helper words to give a range. Use unos or alrededor de. For example: Tiene unos cuarenta años means "He is around forty years old."

Do Spanish speakers use abbreviations for age?

In casual text messaging or chat apps, native speakers rarely abbreviate the word años unless they are writing fast. They simply type out the full word or use the number directly if the context is obvious, such as typing Tengo 25 in a chat window.