When a population pyramid has a wide base and is narrower at the top, it indicates a high birth rate and high population growth. This kind of pyramid is typical of developing countries where a large proportion of the population is young and the birth rates are high.
A bell-shaped population pyramid typically indicates a stable population with balanced birth and death rates across ages. This shape is characteristic of a developed country with low birth and death rates, resulting in a more even distribution of population across age groups.
A population pyramid would be the most appropriate graph to show the percentage of males and females by age group in a country's population. The pyramid's vertical axis represents age groups, with the broader base typically representing the younger population and narrowing towards the top, showing older age groups. The left and right sides of the pyramid represent males and females, respectively.
The population pyramid shows a decrease in the number of males as age increases, resulting in a tapered shape with fewer older males compared to younger males. This pattern reflects natural population dynamics where mortality rates are typically higher among older age groups.
The shape of a country's population pyramid is primarily determined by its birth and death rates, as well as its level of development and healthcare services. A pyramid with a wide base typically indicates high birth rates and a young population, while a more uniform shape suggests a more balanced distribution of age groups. Economic factors, such as employment opportunities and social policies, also influence the shape of a population pyramid.
Another name is tetrahedra
Age structure diagramA population pyramid, also called an age pyramid or age picture diagram, is a graphical illustration that shows the distribution of various age groups.
The Pyramid Age is another name for Egypt's Old Kingdom:Because Egypt had three kingdom ages.
A tetrahedron.
the pyramid age
the old kingdom.
the old kingdom.
altitude
A triangular pyramid.
Altitude
altitude
A tetrahedron.