As of 2024, Greta Thunberg's estimated net worth is $1.3 million. She earns from book royalties, speaking engagements, and donations to her climate activism organization, Fridays for Future. Her book, No One is Too Small to Make a Difference, became a bestseller, contributing significantly to her earnings .

Despite her wealth, Thunberg is known for donating large sums to environmental causes. For instance, she won the €1 million Gulbenkian Prize for Humanity in 2020 and donated the entire amount to climate-related charities.

Her activism began in 2018 with the School Strike for Climate, inspiring a global movement. She has since spoken at major climate summits, meeting world leaders to push for urgent action on climate change. Though financially successful, she lives modestly and continues to focus on environmental advocacy rather than personal wealth. Read more about Greta Thunberg.