The diagram displays the global water use by sector from the year 1900-2000. Throughout the century, the agriculture sector has the highest water usage; while stably increasing every twenty years with the year 2000 as its peak (3,000 km²). On the other hand, the industrial use of water is much lower than the agriculture use of water. The industrial use of water remains stable for the first forty years and then continued to increase slowly, but surely for the next sixty years. Similarly, the domestic use of water is nowhere comparable to the water usage of the agriculture sector. The domestic use of water remains constant from the year 1900-1960 and proceeds to increase slightly from the year 1980-2000.
The second graph displays two countries with a very contrasting number of water consumption per person. Brazil’s water consumption per person is 359 m3; while the people of the Democratic Republic of Congo seems to consume water much less with only 8 m³ water consumption per person. This major difference in number is affected by the fact that the two countries has a very different amount of irrigated land. Brazil’s irrigated land is 256 times more compared to that of the Democratic Republic of Congo. Lastly, the population of both countries also differs drastically with Brazil having 176 million citizens; while the Democratic Republic of Congo has only 5.2 million citizens.
In conclusion, from the diagram displaying global water use by sector, it can be observed that the agriculture section has the highest water usage and has a drastic gap between the other sectors that remain stable and only has a minor stable increase. In the graph displaying two countries and their difference in water consumption per person, it can be concluded that the amount of water consumption per person is affected by irrigated land and population.