Who will you choose? From a tennis star to an environmental activist, we look at four teenagers from around the world who have made a real impact in 2023.
Your chance to vote for teenager of the year
Teenage sensation: The four candidates for the most influential teenager of 2023. Glossary
Wimbledon - An international tennis tournament held in London every year.
TED talks - Talks by expert speakers or influential people, which are then uploaded to the internet so people can view them for free. TED conferences is a non-profit organisation.
United Nations - An international organisation focused on keeping peace. Its refugee agency, the UNHCR, aims to assist refugees around the world.
Interned - An internship is a form of work experience taken by students or people who want to gain skills in a new type of work.
Nasa - The National Aeronautics and Space Administration, responsible for the US space programme.
STEM - Science, technology, engineering and maths. STEM is a term used to group these academic disciplines.
AI - A computer programme that has been designed to think.
Pennsylvania - A US state with a population of nearly 13 million.
Ambassador - Somebody who represents an organisation or country.