1. **Problem statement:** Find the value of $2026 - 2025$. 2. **Formula used:** Subtraction of integers is straightforward: $a - b$ means subtract $b$ from $a$. 3. **Calculation:** $$2026 - 2025 = 1$$ 4. **Explanation:** Since $2026$ is exactly one more than $2025$, their difference is $1$. **Final answer:** $1$