What is the population of the country in the year 2014 (in million) ?

Concept. Per capita consumption tells how much of a commodity each person uses, so it is the total domestic consumption divided by the population. Turning that around, Population = Total consumption ÷ Per capita consumption.

Concept. For a producing country, the quantity left at home is what it grows minus what it sends abroad, so Consumption = Production − Exports. Units matter: consumption expressed in million kg divided by a per capita figure in kg yields a population in millions.

Application. Apply the two relations to the 2014 row of the table:

1. Read the 2014 row: Production = 238 million kg, Exports = 130 million kg, Per capita consumption = 38.7 kg.

2. Domestic consumption = Production − Exports = 238 − 130 = 108 million kg.

3. Population = Consumption ÷ Per capita consumption = 108 ÷ 38.7 (million kg ÷ kg gives millions of people).

4. 108 ÷ 38.7 = 2.7907… , which to two decimal places is 2.79 million.

Cross-check. Multiply back: 2.79 × 38.7 = 107.97 million kg, which rounds to the 108 million kg of rice retained after exports, so the figure is consistent.

Contrast. Dividing production alone by the per capita figure (238 ÷ 38.7 = 6.15) ignores the exported rice and does not describe what the people of the country actually eat; using another year’s production or per capita value mixes rows and breaks the relation. The population for 2014 is 2.79 million.