World choropleth map showing writing system directionality by country. Countries are color-coded by primary script direction: Left-to-Right systems (Latin, Cyrillic, Greek scripts) shown in blue, covering most of Americas, Europe, Sub-Saharan Africa, and parts of Asia. Right-to-Left systems (Arabic, Hebrew scripts) in orange, covering Middle East and North Africa. Vertical/Left-to-Right systems (Chinese, Japanese, Korean) in green for East Asia. Mixed writing systems in purple for countries using multiple scripts. Map includes 201 countries with population-weighted data from UN 2025 estimates.