When is it best to
learn languages?

it is easier to learn a foreign language before the
beginning of adolescence (around age 11) as the
parts of the brain responsible for language
acquisition have matured by then

What is synaptic pruning?

a child’s brain needs to use language or he will lose language
synaptic pruning begins after two years old and lasts until around ten years old at which point 50%
of synapses present at age two are gone

6 Month Gestation

A baby can hear rhythm
of speech called prosody


A baby is born with the
ability to learn any language

4 Months

A baby can block out external
noise to focus on speech

4-6 Months

A baby can isolate words
in a stream of speech

6-9 Months

A baby can identify
syllables and sounds

8-12 Months

A baby babbles to practice
using her vocal cords

1 year

just after turning one a
baby will say her first word

18 months

A baby knows 20+ words

2 years

A baby knows on average 50 words

3 years

A baby speaks 500 words and knows over 1,000 words

4 Years

A baby’s brain is 90%
of adult size

5 Years

A child with no exposure to a foreign language can be placed into immersion and attain fluency

6 Years

Learning several languages gives children cognitive flexibility, academic success, a global mindset, and social and emotional benefits

7 Years

The start of the concrete operational developmental stage

8 Years

Language can still be introduced at home with significant fluency attained

9 Years

A child’s brain is just about 100% of adult size

10 Years

Attitudes about groups of people are formed by age 10

11 Years

The beginning of adolescence