UNIT 3 GEOGRAPHY GLOSSARY: POPULATION

Hi everyone, here's all the new vocabulary that I have learnt during this Third Geography Unit. It is about population.

BIRTH RATE: Number of births that take place in a population over a year. It is calculated by dividing the number of births in an area over a year by the total population:the result is multiplied by one thousand.

DEATH RATE: Number of deaths that take place in a population over a year. It's calculated by dividing the number of deaths in an area over a year by the total population and multiplying the result by one thousand. The death rate is expressed as a number per thousand.

NATURAL INCREASE: The number of births minus the number of deaths. The rate of natural increase(RNI) is the birth rate minus the death rate. It is expressed as a percentage(%). It can be calculated by dividing the natural increase by the total population and multiplying the result by 100.

INFANT MORTALITY RATE: Number of deaths of infants under 1 year dividing the number of births in a year, per 1000.

LIFE EXPECTANCY: Average years that one person may expect to live. I also shows welfare and economic and social status of a country.

BIRTH CONTROL: Allows to prevent pregnancy.

DEPENDENT POPULATION: The age groups of 0-14, and over 60 years of are called dependent population.

DEPENDENCY RATIO:Show the number of dependence people aged zero to 14 and over age of 65.

FAMILY PLANNING: Controlling  the number of children in a family and the periods of time between their births.

POPULATION PYRAMIDS/AGE-GENDER STRUCTURES: Diagrams consisting of bar graphs that depict the distribution of the population a at a particular time and location,according to the groups of gender or age.

REPLACEMENT RATE: Percentage of workers  pre-retirement.

FERTILITY RATE: Number of live births by the number of women ages 15-49 in a given year per 1000.

AGEING POPULATION: When the median age of a country increases the life expectancy and declines the fertility rate .

POPULATION DISTRIBUTION:describes the way that people are spread out across the Earth’s surface.

POPULATION DENSITY: Number Of People In an Area / Size of Area.

MEDC: More economically developed country.

LEDS: Less economically developed country

OVERPOPULATION: There is too much people.

UNDERPOPULATION: There is less population than is normal.