Children’s learning

Are Children Really Better at Learning a Second Language Than Adults?

12/7/2025
by Chiara Ganugi

The widespread belief that children possess a natural advantage in acquiring a second language (L2) remains deeply rooted in public discourse. However, research in Second Language Acquisition (SLA) demonstrates that such claims are more nuanced than commonly assumed. Age influences language learning in complex ways, and both children and adults bring specific strengths, and limitations, to the process of L2 acquisition.

Advantages and Disadvantages for Children

Children benefit from heightened neuroplasticity, which allows them to internalize new phonological systems and grammatical patterns with relative ease. Because the linguistic areas of their brain are not yet fully specialized for their first language (L1), early exposure to an L2 can lead to more native-like pronunciation and intuitive grammatical development.

Nevertheless, the assumption that children naturally achieve native-like competence is misleading. The cognitive mechanisms underlying L1 acquisition differ significantly from those involved in L2 learning (Saville-Troike & Barto, 2017). In effect, acquiring the L1 happens in a context of full immersion in the communicative context and culture of the L1, while the L2 is usually studied in a formal environment. Thus, early exposure does not guarantee a full and real bilingualism across all linguistic domains.

The Critical Period Hypothesis (CPH) also plays a central role in the discussion. As children enter adolescence, the brain begins to lose some of the neuroplasticity that characterizes early childhood, while the structures of the L1 become more firmly established. Scholars have argued that this developmental window, often referred to as the critical period, may limit the ease with which new skills can be acquired, particularly in the domain of second language learning.

A key advantage for children is their low affective filter: they are less inhibited, less fearful of errors, and more willing to experiment linguistically. This social and psychological openness often accelerates communicative fluency because it allows them to progress faster in the speaking skill.

Advantages and Disadvantages for Adults

Adults, contrary to popular belief, possess considerable strengths in L2 learning. Their fully developed L1 system allows for instructional strategies such as contrastive analysis, which highlight structural differences and similarities between languages to promote awareness and accuracy.

Furthermore, adults’ richer world knowledge enhances inferencing skills, cultural interpretation, and semantic comprehension. Their interactional competence is also more advanced, enabling them to manage complex communicative situations with greater ease.

However, adults often experience higher levels of inhibition and fear of negative evaluation. As a result, their productive skills (speaking, writing) may develop more slowly than receptive skills. Despite this, adults typically exhibit higher motivation, driven by personal interest, professional goals, or integrative desires, factors strongly correlated with success in SLA (Dörnyei, 2005).

Learning and cognitive styles

Research in SLA demonstrates that successful L2 learning is not determined solely by age. Children may benefit from neuroplasticity and low inhibition, whereas adults excel through analytical abilities, metalinguistic awareness, and strong motivational systems. However, an additional factor that significantly shapes L2 outcomes is  learning styles

Learning styles refer to individuals’ preferred ways of engaging with instructional input (e.g., visual, auditory, kinesthetic). This individual difference influences how learners interpret linguistic input, approach problem-solving tasks, and respond to different teaching methodologies. They are not directly connected to age, but  their use changes with age:

• Children tend to rely more on implicit, social, and memory-based strategies (imitating, using formulas, repeating chunks).
• Adults use a wider range of metacognitive and cognitive strategies (planning, monitoring, analyzing, organizing information), simply because they have more developed executive functions and metalinguistic awareness.

Conclusion

Ultimately, whether you are a child or an adult, success in learning a foreign language emerges from the interaction of motivation, aptitude, cognitive and learning styles, and the quality of instruction. With the right strategies and support, language learning remains fully achievable for every learner.

References

Dörnyei, Z. (2005). The Psychology of the Language Learner: Individual Differences in Second Language Acquisition. Lawrence Erlbaum Associates
Oxford, R. (1990). Language Learning Strategies.
Saville-Troike, M., & Barto, K. (2017). Introducing Second Language Acquisition (3ª ed.). Cambridge University Press.
Singleton, D., & Ryan, L. (2004). Language Acquisition: The Age Factor (2ª ed.). Multilingual Matters.
Muñoz, C. (a cura di). (2006). Age and the Rate of Foreign Language Learning. Multilingual Matters.

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