Plastic Waste Generation, Mismanagement, and Recycling Potential in Pakistan: A Quantitative Assessment for Circular Economy Transition

Plastic waste generation has become a rapidly escalating environmental issue in developing countries, with Pakistan producing an estimated 4.5–6.0 million tons of plastic waste annually, of which less than 12–15% is formally recycled. This study evaluates plastic waste generation patterns, recycling efficiency, and management gaps across urban and peri-urban regions, with emphasis on identifying systemic barriers to circular material recovery.

A quantitative mixed-method approach was employed, integrating municipal waste data (2018–2025), field surveys of n = 120 households and 35 recycling units, and semi-structured interviews with stakeholders in waste management systems. Statistical analysis was performed to assess recycling efficiency, material flow losses, and environmental leakage rates.

Results indicate that approximately 60–70% of plastic waste is mismanaged, with open dumping (38–42%) and uncontrolled burning (18–25%) being the dominant disposal pathways. Recycling systems are largely dependent on informal sectors, which contribute nearly 70% of total recycling activity, yet operate without regulatory integration. Efficiency analysis shows that contamination levels in collected plastic waste reduce processing yields by 25–35%, significantly limiting recovery potential.

Scenario modeling suggests that implementing decentralized sorting systems and improving waste segregation at source could increase recycling rates to 30–38% within five years, while reducing open dumping by up to 45%. Additionally, integrating circular economy strategies at municipal levels could reduce greenhouse gas emissions from plastic waste management by 18–22% annually.

The study concludes that Pakistan’s plastic waste challenge is not solely a technological issue but a systemic governance and infrastructure gap. Strengthening formal-informal sector integration, coupled with targeted policy enforcement and recycling innovation, is essential for transitioning toward a sustainable circular waste economy.