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Background: Peritoneal dialysis (PD) as a modality of kidney replacement therapy (KRT) is largely underutilized globally. We analyzed PD utilization, impact of economic status, projected growth and impact of state policy(s) on PD growth in South Asia and Southeast Asia (SA&SEA) region. Methods: The National Nephrology Societies of the region responded to a questionnaire on KRT practices. The responses were based on the latest registry data, acceptable community‐based studies and societal perceptions. The representative countries were divided into high income and higher‐middle income (HI & HMI) and low income and lower‐middle income (LI & LMI) groups. Results: Data provided by 15 countries showed almost similar percentage of GDP as health expenditure (4%–7%). But there was a significant difference in per capita income (HI & HMI ‐US$ 28 129 vs. LI & LMI ‐ US$ 1710.2) between the groups. Even after having no significant difference in monthly cost of haemodialysis (HD) and PD in LI & LMI countries, they have poorer PD utilization as compared to HI & HMI countries (3.4% vs. 10.1%); the reason being lack of formal training/incentives and time constraints for the nephrologist while lack of reimbursement and poor general awareness of modalities has been a snag for the patients. The region expects ≥10% PD growth in the near future. Hong Kong and Thailand with 'PD first' policy have the highest PD utilization. Conclusion: Important deterrents to PD underutilization were lack of PD centric policies, lackadaisical patient/physician's attitude, lack of structured patient awareness programs, formal training programs and affordability. SUMMARY AT A GLANCE: This questionnaire study examined the dialysis practice and utilization of peritoneal dialysis (PD) in the south and southeast Asia region and found that low and low‐middle income countries had worse PD utilization rate. The major barriers were related to healthcare policy, lack of training programs and patients' and physicians' awareness. [ABSTRACT FROM AUTHOR]