The latest data point for MCD's Operation Income in Q1'26 stands at $2.95B USD, reflecting a 11.5% year-over-year (YoY) increase from the prior year and marking a moderate uptick from the $3.16B USD reported in Q4'25. Over the period from Q2'23 to Q1'26, Operation Income has shown overall stability with mild fluctuations, starting at $3.10B USD and peaking at $3.36B USD in Q3'25 before settling at $2.95B USD; notable declines occurred in Q1'24 ($2.74B USD) and Q1'25 ($2.65B USD), while YoY growth turned positive in recent quarters, reaching highs of 11.5% in Q1'26 and 10.7% in Q2'25, indicating improving operational efficiency amid seasonal variability.