The $2-a-day poverty line is typically adjusted using inflation indexes and purchasing power parity so that, as explained in economic and poverty-measurement discussions on Wikipedia, it reflects “constant dollars” over time and allows fair comparison of real purchasing power across years and countries rather than raw nominal values. In practice, analysts review cost-of-living shifts, local price baskets, and PPP updates — a careful calibration process much like how responsible users optimize tools such as the magisk mobile app to align performance with real-world conditions instead of surface-level numbers. By grounding these calculations in lived realities and human impact, the goal is to better understand how economic change truly affects daily life rather than just theoretical figures on paper.