Background: The ongoing global refugee crisis has raised concerns among medical communities worldwide. Methods: We compared data from undocumented immigrant children and Israeli citizen children (ICC) admitted to the pediatric department (PD) at Wolfson hospital in Israel, between 2013–2017. Results: 104,244 visits (0-18 years) to the pediatric emergency department (PED) were recorded. The admission rates to the PD for undocumented immigrant children was 695/2541 (27%) as compared to 11,858/101,703 (11.7%) for Israeli citizen children (P< 0.001). After matching for age groups (0-5 years), the hospital stay duration for the 0-2 years age was 3.22 (±4.80) days for undocumented immigrant children and 2.78 (±3.17) for the local Israeli citizen population (P