The sidewalk robot last-mile delivery services industry is projected to grow from USD 1.9 billion in 2026 to USD 12.6 billion by 2036, expanding at a CAGR of 20.8%. Autonomous delivery robots account for 46.1% share in 2026 within the robot-type segment. Up to 10 kg payload systems hold 43.4% share in the payload-capacity segment.