Global literacy has risen significantly in last two centuries. Only 12% of world population was literate in 1820. Literacy rates doubled during 19th century. Universal literacy reached in early-industrialized countries in 19th-20th centuries
Global literacy rate for all ages 15+ is 86.3%. Male literacy rate is 90.0%, female rate is 82.7%. Developed nations have highest literacy rate at 99.2% (2013). South and West Asia have 70.2% literacy rate (2015). Sub-Saharan Africa has lowest literacy rate at 64.0% (2015)
Population reached 3,920,881 as of December 2024. Population increased by 83,320 people in 2024. Natural increase exceeded deaths by 108,074 people. External migration decreased by 24,754 people
Sudan's population reached 47,199,364 as of January 2024. Population density is 25.0 people per square kilometer. Total area is 1,886,068 km²
Vietnam's population reached 101,317,462 as of January 2024. Population density is 305.9 people per square kilometer. Total area is 331,212 km² (127,882 mi²)
Malta's population reached 446,615 as of January 2024. Population density is 1,395.7 people per square kilometer. Total area is 320 km² (124 mi²)