The study noted similar downtrends in the U.K. (0.78, down 0.01), the U.S. (0.68, down 0.028), Russia (0.41, down 0.049) and Ukraine (0.48, down 0.007).
Russia recorded the sharpest overall decline between 2024 and 2025 of any nation…

The study noted similar downtrends in the U.K. (0.78, down 0.01), the U.S. (0.68, down 0.028), Russia (0.41, down 0.049) and Ukraine (0.48, down 0.007).
Russia recorded the sharpest overall decline between 2024 and 2025 of any nation…