The presented graph delineates the usage of water in the world over a century in three distinct areas whereas given table portrays the data of water consumption in Brazil and Republic of Congo for the year 2000. Overall, it can be seen that agriculture was the most water consumed sector in each decade. It is also conspicuous that in Brazil, each resident use more water than citizen of republic.
In detail, commencing with the year of 1900, agriculture used almost 500km³ for irrigation and this consumption continuously rose up bealing other two sectors. Eventually, even in 2000 it was still the highest on graph with nearly 3000km³. Very small proportion was using water for industrial and domestic use until 1950’s. Further, after this year there had been drastic changed and water proportion leveled up upto slightly 1000km³ and 500km³ for industrial & domestic work respectively.
Similarly, the data shows that there were 176 million of density in Brazil where 26,500km² of water was used to irrigate the lands and 359m³ was consumed per person. Moreover, the number of residents was only 5.1 million with 100km² imgale land. Nevertheless, something like 0.01% of water in compared with Brazil was used in Republic by people for drinking and washing.