Parents >

Emotions & Relationships

 mom with baby after birth

Early Development & Well-Being

The first three years of life are a period of incredible growth in all areas of a baby’s development. Learn how the earliest relationships can promote healthy brain development, how young children build social and emotional skills, and ways you can support language and literacy development starting from birth.

Explore Resources →


 Parents kissing toddler.

Parent Favorites

A collection of Zero to Three's highest trending resources for parents designed to help you tune in to what makes your child tick, and to guide you in thinking about the best way to meet your child’s individual needs.

Explore Resources →


 mom hugging son

Social & Emotional Development

Research shows that those with higher social-emotional skills have better attention skills and fewer learning problems, and are generally more successful in academic and workplace settings. Like any math or English skills, these skills can be taught and grow over time.

Explore Resources →


 closeup of mom reading to toddler

Children's Book List

A comprehensive listing of book titles and authors for children age 2 to 8 years, focusing on social-emotional development and friendships.

Explore Book List →


 Let's talk about feelings graphic

Social and Emotional Resources

Like all skills, social and emotional development takes nurturing. Check out new resources for simple ways parents and caregivers can help foster children’s healthy social and emotional development right from birth.

Explore Resources →



What Is Social-Emotional Development?

Children are learning more quickly between the ages of 0 and 5 than at any other time in life. During this time, they aren’t just learning their ABCs and 123s: they are also building emotional and social skills.

Watch Video →


 emotions graphic

Key Social and Emotional Milestones at Various Ages

The following examples represent developmental milestones for most children at each given age.

View Milestones →