21st century

Millennium:	3rd millennium
Centuries:	20th century; 21st century; 22nd century;
Timelines:	20th century; 21st century; 22nd century;
State leaders:	20th century; 21st century; 22nd century;
Decades:	2000s; 2010s; 2020s; 2030s; 2040s; 2050s; 2060s; 2070s; 2080s; 2090s;
Categories:	Births – Deaths ; Establishments – Disestablishments

The 21st century began on January 1, 2001 and will end on December 31, 2100.

Years

Note: years before or after the twenty-first century are in italics.