I understand today's lecture is about the population in the world .
A population is a summation of all the organisms of the same group or species, who live in the same geographical area, and have the capability of interbreeding.
Current World Population
According to the U.S. Census Bureau-7,251,920,265
Current Population
*301,318 Births today
*82,955,403 Births this year
*124,327 Deaths today
*34,228,394 Deaths this year
*176,991 Population growth today
*48,727,009 Population growth this year
Current Population Trends
•In 1963 = 3.2 billion
•In 2050 could be 7.2 – 10.6 billion
Bangladesh at a Glance
•Population: 166,208,7120
•Per capita income: $2,100
•Life expectancy at birth women/men: 68/72 yrs
Infant mortality rate: 45/1000 live births.
•Growth rate 1.6% (2015 est.)
• Birth rate 21.14 births/1,000
population (2015 est.)
•Death rate 5.61 deaths/1,000
•Fertility rate 2.4 children born/woman
Male -72 109 796
Female-71 933 901
Population Trend Comparisons
Developed Countries
Total fertility rate = 2.0
Per capita GDP = $36,110
Developing Countries
Total fertility rate = 5.7
Per capita GDP = $800
In Bangladesh about 35% and 21% women suffer from CED (BMI <18.5) in rural and urban areas respectively.36 % of children are underweight (low weight-for-age).12 % are severely underweight.
Percentage of underweight children increases sharply with age and peaks at 47% among children aged 36-47.
Birth weight is very low (30%).
Among U-5 children 36% are stunted.