Bangladesh At A Glance
Official Name : People's Republic of Bangladesh.
Capital : Dhaka
Commercial Capital : Chottogram
Location : Southern Asia, bordering the Bay of Bengal, between Myanmar and India.
Geographical line crossed over Bangladesh : The tropic of Cancer.
Local Time : Greenwich time +6 hours.
Area : Total 1,47,570 Square KM (56977 square mile)
Land : 130,168 square KM
Water : 13, 830 Square KM
Boundaries : Total Boundary 5138 Kilometers
Land Boundary : 4427 Kilometers
Coastline : 771 Kilometers
Border Countries : Myanmar 271 Kilometers, India 4156 kilometers
Bordering Line :In the East of Bangladesh is Assam, Tripura and Myanmar. In the North of Bangladesh is West Bengal and Meghaloya. In the West of Bangladesh is the West Bengal of India and in the South of Bangladesh is the Bay of Bengal.
Maritime Claims :
Territorial Sea 12 Notical  Miles
Contiguous zone :18 Notical Miles
Exclusive economic zone : 200 Notical miles or 370.40 kilometers
Contenental shelf : Up to the outer limits of the continental margin.
Climate Duration : Here current weather is tropical, Winter season is in October to March, Summer season is in March to June, Rainy season is in June to October.
Elevation extremes : The highest point of Bangladesh is Tajindong that is called Vijoy and its 1,231 meters. And the lowest point of Bangladesh is Indian Ocean and its 0 meter.
Natural Resources are the natural gas, arable land, timber coal.
The usable land of Bangladesh is 55.39% permanent crops area is 3.08%. and other 41.53 % (2005). In Bangladesh Irrigated Land area is 47,250 square kilometers as (2003)
Total renewable water resources : 1, 210.6 cu Kilometer (1999)
Freshwater withdrawal (domestic/industrial/ agricultural) Total 79.4 cu kilometers/yr(3%/1%/96%) Per captia 560 cu m/yr (2000)
Bangladesh has a large population. Now its current population is 167,166,299 (2018)
Bangladesh
has a population density of 1,115.62 people per square kilometer,(2,889.45/square mile).
Age Structure of Bangladesh : 
 0-4 years 27.76% (male 22,283,780/ female 21,521,977)
15-24 years : 19.36% (Male 15,309,543/ female 15,241,971)
25-54 years : 39.73% (male 30, 094, 014 / female 32,614,286)
55-64 years : 6.93% (male 5,405,900 / female 5,527,330)
65 years and over : 6.23% (male 4,666,033/female 5,161,744) (2017 est)
Now the median age in Bangladesh is 26.0 years.