The 6G market is expected to play a transformative role in the development of smart cities and advanced Internet of Things ecosystems by enabling seamless connectivity, real-time data exchange, and intelligent urban infrastructure management. As urban populations continue to grow, cities are increasingly adopting smart technologies to improve public services, transportation systems, energy management, and environmental monitoring. 6G technology offers the high-speed, low-latency communication capabilities required to support complex smart city networks and massive IoT device connectivity. Smart city applications rely on continuous communication between sensors, connected devices, and centralized data management platforms, which require reliable and high-capacity wireless networks. 6G networks are expected to support billions of connected devices simultaneously, enabling efficient traffic management systems, intelligent public safety monitoring, and optimized energy distribution frameworks. The transportation sector is anticipated to benefit significantly from 6G-enabled smart city infrastructure through connected vehicle communication systems, autonomous public transportation networks, and real-time traffic control solutions that reduce congestion and improve commuter safety. Environmental monitoring systems can leverage 6G connectivity to collect real-time data on air quality, weather patterns, and pollution levels, allowing city administrators to implement proactive environmental protection strategies. Smart energy management systems powered by 6G networks can optimize electricity distribution, integrate renewable energy sources, and reduce energy consumption through intelligent grid management solutions. The healthcare sector is also expected to benefit from smart city connectivity through remote patient monitoring systems, emergency response coordination, and telemedicine services that improve healthcare accessibility. Despite its potential, implementing 6G-enabled smart city infrastructure requires significant investment, advanced network planning, and strong cybersecurity frameworks to protect sensitive urban data. Governments and private sector organizations are collaborating to develop pilot projects and research initiatives that demonstrate the feasibility of 6G-powered smart city solutions. As cities continue to adopt digital transformation strategies, the 6G market is expected to support the development of sustainable, efficient, and technologically advanced urban environments that enhance quality of life for citizens and support long-term economic growth.