population pyramid

Table of Contents

References & Edit History Related Topics

Read Next

Rusty patched bumble bee (Bombus affinis) photographed in the Midwest in 2017. endangered species insect pollination

What Would Happen If All the Bees Died?

Model of global ocean currents and temperatures

How Do Ocean Currents Affect the Biosphere?

Path through summer forest in the Ukraine. (trees, lush, green, walk, walkway, road, Ukrainia, Ukrainian, woods)

What Is the Difference Between Primary and Secondary Ecological Succession?

Discover

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Chapter 4 pg 42 - Chapter header of The Adventures of Tom Sawyer by Mark Twain. Published in 1884 by The American Publishing Company

Periods of American Literature

Attack on Pearl Harbor. December 7, 1941. Pearl Harbor infographic. World War II. Hawaii. United States. Japan. SPOTLIGHT VERSION

Attack on Pearl Harbor Timeline

Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

The 10 Greatest Basketball Players of All Time

In this aerial photo, structures are damaged and destroyed October 15, 2005 in Balakot, Pakistan. It is estimated that 90% of the city of Balakot was leveled by the earthquake. The death toll in the 7.6 magnitude earthquake that struck northern Pakistan on October 8, 2005 is believed to be 38,000 with at least 1,300 more dead in Indian Kashmir. SEE CONTENT NOTES.

6 of the World’s Deadliest Natural Disasters

January 21, 2019: Superbowl LIII will be played at Atlanta's Mercedes-Benz Stadium on Sunday, February 3, 2019 against the New England Patriots and the Los Angeles Rams.

What Was the Super Bowl’s First Blockbuster Commercial?

population pyramid: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

age distribution mortality fertility sex ratio population demographics minimum viable population vital rates survivorship curve overpopulation birth rate density-dependent factor species abundance population density population growth