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## Credits

Birsa Institute of Technology (BIT), Sindri
Suraj Kumar has created this Calculator and 1000+ more calculators!
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## Population at Earlier Census Solution

STEP 0: Pre-Calculation Summary
Formula Used
population_at_earlier_census = Population at last census-Constant factor*(Last census date-Earlier census date)
PE = PL-KA*(TL-TE)
This formula uses 4 Variables
Variables Used
Population at last census- Population at last census is the population at the date of last census.
Constant factor- Constant factor is defined as rate of change of population.
Last census date- Last census date is the date at which population is noted.
Earlier census date- Earlier census date is the date at which the population is noted.
STEP 1: Convert Input(s) to Base Unit
Population at last census: 20 --> No Conversion Required
Constant factor: 2 --> No Conversion Required
Last census date: 3 --> No Conversion Required
Earlier census date: 20 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
PE = PL-KA*(TL-TE) --> 20-2*(3-20)
Evaluating ... ...
PE = 54
STEP 3: Convert Result to Output's Unit
54 --> No Conversion Required
54 <-- Population at earlier census
(Calculation completed in 00.031 seconds)

## < 11 Other formulas that you can solve using the same Inputs

Proportionality Factor when Population at Last Census is Given
proportionality_factor = (log(Population at last census,e)-log(Population at earlier census,e))/(Last census date-Earlier census date) Go
Earlier Census Date when Proportionality Factor is Given
earlier_census_date = Last census date-((log(Population at last census,e)-log(Population at earlier census,e))/Proportionality factor) Go
Last Census Date when Proportionality Factor is Given
last_census_date = Earlier census date+((log(Population at last census,e)-log(Population at earlier census,e))/Proportionality factor) Go
Population at Earlier Census when Proportionality Factor is Given
population_at_earlier_census = exp(log(Population at last census,e)-(Last census date-Earlier census date)*Proportionality factor) Go
Population at Last Census when Proportionality Factor is Given
population_at_last_census = exp((Last census date-Earlier census date)*Proportionality factor+log(Population at earlier census,e)) Go
Population at Earlier Census for Inter Censal Period
population_at_earlier_census = Population at mid year census-Constant factor*(Mid year census date-Earlier census date) Go
Population at Mid Year
population_at_mid_year_census = Population at earlier census+Constant factor*(Mid year census date-Earlier census date) Go
Constant Factor when Population at Last Census is Given
constant_factor = (Population at last census-Population at earlier census)/(Last census date-Earlier census date) Go
Earlier Census Date when Constant Factor is Given
earlier_census_date = Last census date-((Population at last census-Population at earlier census)/Constant factor) Go
Last Census Date when Constant Factor is Given
last_census_date = Earlier census date+((Population at last census-Population at earlier census)/Constant factor) Go
Population at Last Census
population_at_last_census = Population at earlier census+Constant factor*(Last census date-Earlier census date) Go

## < 3 Other formulas that calculate the same Output

Population at Earlier Census for Geometric Increase Method
population_at_earlier_census = exp(log(Population at mid year census,e)-Proportionality factor*(Mid year census date-Earlier census date)) Go
Population at Earlier Census when Proportionality Factor is Given
population_at_earlier_census = exp(log(Population at last census,e)-(Last census date-Earlier census date)*Proportionality factor) Go
Population at Earlier Census for Inter Censal Period
population_at_earlier_census = Population at mid year census-Constant factor*(Mid year census date-Earlier census date) Go

### Population at Earlier Census Formula

population_at_earlier_census = Population at last census-Constant factor*(Last census date-Earlier census date)
PE = PL-KA*(TL-TE)

## What is population ?

A population is a distinct group of individuals, whether that group comprises a nation or a group of people with a common characteristic.

## How to Calculate Population at Earlier Census?

Population at Earlier Census calculator uses population_at_earlier_census = Population at last census-Constant factor*(Last census date-Earlier census date) to calculate the Population at earlier census, The Population at Earlier Census calculates the value of population at earlier census when we have prior information of other parameters used. Population at earlier census and is denoted by PE symbol.

How to calculate Population at Earlier Census using this online calculator? To use this online calculator for Population at Earlier Census, enter Population at last census (PL), Constant factor (KA), Last census date (TL) and Earlier census date (TE) and hit the calculate button. Here is how the Population at Earlier Census calculation can be explained with given input values -> 54 = 20-2*(3-20).

### FAQ

What is Population at Earlier Census?
The Population at Earlier Census calculates the value of population at earlier census when we have prior information of other parameters used and is represented as PE = PL-KA*(TL-TE) or population_at_earlier_census = Population at last census-Constant factor*(Last census date-Earlier census date). Population at last census is the population at the date of last census, Constant factor is defined as rate of change of population, Last census date is the date at which population is noted and Earlier census date is the date at which the population is noted.
How to calculate Population at Earlier Census?
The Population at Earlier Census calculates the value of population at earlier census when we have prior information of other parameters used is calculated using population_at_earlier_census = Population at last census-Constant factor*(Last census date-Earlier census date). To calculate Population at Earlier Census, you need Population at last census (PL), Constant factor (KA), Last census date (TL) and Earlier census date (TE). With our tool, you need to enter the respective value for Population at last census, Constant factor, Last census date and Earlier census date and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Population at earlier census?
In this formula, Population at earlier census uses Population at last census, Constant factor, Last census date and Earlier census date. We can use 3 other way(s) to calculate the same, which is/are as follows -
• population_at_earlier_census = exp(log(Population at last census,e)-(Last census date-Earlier census date)*Proportionality factor)
• population_at_earlier_census = Population at mid year census-Constant factor*(Mid year census date-Earlier census date)
• population_at_earlier_census = exp(log(Population at mid year census,e)-Proportionality factor*(Mid year census date-Earlier census date))
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