The provided table compares four important economic and social factors of four countries namely Canada, Japan, Peru and Zaire for the year 1994. As is observed from the given data, Canada and Japan had a far better economic and social conditions than the other two countries.

We can observe from the given information that, Japan had the highest literacy rate (99%), per person annual income (USD 15760), longest life expectancy (78 years) and second highest (2846) daily calorie supply per person. Again Canada was another country with a very good social and economic situation that had 99% literate population, USD 11100 per person annual earning, 76 years life expectancy and the highest daily calorie supply per person which was 3326. On the contrary, the other two countries had poorer economic and social conditions. Peru had only $ 160 annual income per person which is 98 times less than Japan and they had only 68% adult literate compared to the 99% of other two developed countries. Zaire had the worst economic and social condition among these four countries in the year 1994 with the least adult literacy (only 34%), 130 USD annual per person income, 1749 daily calorie supply and only 47 years life expectancy.  

In summary, Japan and Canada were two socially and economically developed countries with very good social and economic indicators while Peru and Zaire were two undeveloped countries with poor life expectancy, earning, food supply and literacy rates.

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