Mathematical Modeling and Predicting the Current Trends of Human Population Growth in Bangladesh

Mathematical Modeling and Predicting the Current Trends of Human Population Growth in Bangladesh

Hironmoy MondolUzzwal Kumar Mallick Md. Haider Ali Biswas 

Mathematics Discipline, Khulna University, Khulna 9208, Bangladesh

Corresponding Author Email: 
hironmoyku@gmail.com
Page: 
1-7
|
DOI: 
https://doi.org/10.18280/mmc_d.390101
Received: 
10 March 2018
|
Accepted: 
15 June 2018
|
Published: 
31 December 2018
| Citation

OPEN ACCESS

Abstract: 

Bangladesh is an overpopulated and the most densely populated country. It is the world's eighth-most populous country in south Asia with over 160 million people. Population problem in Bangladesh is one of the most burning issues in the recent years. So the increasing trend in population is a great threat to the nation and for this reason, the projection of the population of Bangladesh is essential. The purpose of this paper is to model and design the population growth in Bangladesh to predict the future population size. The exponential and the logistic growth models are applied to predict the population of Bangladesh during 1980 to 2080 using the actual data from 1980 to 2016. By using the exponential growth model, the predicted growth rate has been estimated approximately 2.67% and the population of Bangladesh has been predicted to be 1191 million in 2080. We have determined the carrying capacity (K) and vital coefficients a and b for the population prediction in vein of logistic growth model. Thus, the population growth rate of Bangladesh according to the logistic model has been estimated approximately 4.03% and the total population of Bangladesh has been predicted to be 245 million in 2080.

Keywords: 

exponential growth model, logistic population model, carrying capacity, population growth, vital coefficient

1. Introduction
2. Methodology
3. Results and Discussions
4. Conclusions
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