Home » Mobile Tools Trends » What Is 10 Year Called What Is 10 Year Called Marcus Vance • Oct 5, 2026 • 5 min read What is a 10 year time period called? A decade is 10 years. What is the definition of 10 years? A decade is a period of ten years. Share Article: Facebook Twitter WhatsApp Telegram Author Marcus Vance Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.