Livelihood refers to the means through which individuals, families, and communities secure the resources required to meet their basic needs and improve their quality of life. It encompasses the capabilities, assets, and activities that people use to ensure their survival and well-being. In the context of sustainable development and smart cities, livelihood is not merely about earning income but about creating resilient, inclusive, and environmentally responsible systems of economic opportunity. A sustainable livelihood supports social equity, protects the environment, and enables communities to adapt to changing economic and climatic conditions. As cities become smarter through the integration of digital technology, improved urban planning, and participatory governance, the nature of livelihood is increasingly shaped by innovation, green jobs, and inclusive economic growth. A livelihood profile provides a systematic understanding of how individuals or groups earn their living, what resources they depend on, and how vulnerable they are to shocks. It maps the socio-economic characteristics, income sources, skills, assets, and risks associated with different population groups. In sustainable development planning, livelihood profiles help policymakers design programs that enhance resilience, reduce poverty, and promote equitable growth. In the context of smart cities, livelihood profiles also identify how digital inclusion, skill enhancement, climate adaptation, and improved service delivery can strengthen economic opportunities for diverse communities. Livelihood profiles generally include several key elements such as demographic characteristics, occupational patterns, levels of education and skills, access to natural and physical resources, and the