The table below shows social and ecnomic indicators for four countries in 1994, according to United Nations statistics.

The table illustrates the date of social and ecnomic indicators for Canada, Japan, Peru, Zaire, which comes from United Nations statistic in 1994.

As we can see from the table, the annual income per person shows apparently a big gap among those countries, they are $11,100 Canada, $15,760 Japan, $160 Peru, $130 Zaire. Japan has the highest life expectancy at birth, which is 78, while ,in contrary, it was the lowest in Zaire, which is just only 47. Daily calorie supply per person declined from 3,326 per Canadian to 1,749 per Zaire, and between them ,Japsn took 2,846 calorie, then the figure of Peru was 1,927. At the last term about adult literacy rate, Canada and Japan had the same rate of 99%, while Peru only got 68%, which is better than Zaire's, it was only 34%.