The composition of solid waste is not static; it changes over time due to a variety of factors. Understanding these reasons for change in the composition of waste is essential for effective solid waste management, policy-making, and designing regulatory frameworks that address current and future waste challenges. The composition of waste refers to the types and quantities of different materials present in the waste stream, such as organic matter, plastics, paper, metals, glass, textiles, and hazardous substances. Changes in this composition affect how waste is collected, treated, recycled, or disposed of. One of the primary reasons for change in waste composition is economic development and urbanization. As countries or regions develop economically, consumption patterns shift, leading to a change in the types of products people buy and discard. In developing areas, waste is often predominantly organic, consisting largely of food scraps and biodegradable material. However, with increased industrialization and higher income levels, there is a rise in the generation of non-biodegradable waste such as plastics, synthetic materials, and packaging waste. Urbanization leads to higher population densities and increased consumption of processed and packaged goods, which in turn changes waste composition to include more plastics, metals, and paper products. Changes in lifestyle and consumer behavior also play a significant role. Modern lifestyles have introduced convenience-oriented products that often come with increased packaging or are designed