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Background: Shoulder instability in pediatric and adolescent patients can be treated operatively via arthroscopic or open procedures, but there a paucity of evidence to support the incidence of these treatment modalities over time. It is hypothesized that the overall rate of arthroscopic shoulder stabilization procedures will increase over time. Given advances in open stabilization techniques, we also hypothesized that the rate of open procedures may be increasing. Methods: The Pediatric Health Information System database was queried for patients 19 years or younger who underwent arthroscopic or open surgery for shoulder instability and pediatric orthopedic surgeries between 2009 and 2019. Data from 37 of the 52 pediatric hospitals with Pediatric Health Information System data was included in the analysis. Annual and overall incidence rates were estimated for arthroscopic and open procedures, along with 95% confidence intervals. The yearly incidence for secondary (homolateral revisions) or primary contralateral arthroscopic and open procedures was also examined. Results: 4747 patients underwent primary arthroscopic procedures and 384 patients had primary open procedures. There were 8.2 primary open shoulder stabilization procedures per 10,000 orthopedic surgical patients in 2009, which decreased by 19% to 6.7 per 10,000 orthopedic surgical patients in 2019. There was an increase seen in both arthroscopic and open secondary stabilization procedures. In 2009, there were 0.97 secondary arthroscopic procedures per 10,000 orthopedic surgical patients. This increased by 672% to 7.5 per 10,000 orthopedic surgical patients in 2019. No secondary open procedures were recorded in 2009; however, an increase to 2.6 secondary open procedures per 10,000 orthopedic surgical patients was seen by 2019. Conclusion: This study shows a rise in primary arthroscopic pediatric shoulder stabilization surgeries across the U.S. over the last decade. There was a slight decrease in the rate of primary open shoulder stabilization surgeries and an increase in both arthroscopic and open secondary (homolateral revisions or primary contralateral) shoulder stabilization surgeries, implying an increasing revision burden in this population.