A billion dollar question to which i have no answer
The FBI collects data used by researches to compare crime in different countries.
The different countries of the world can be compared with the non-profit website of Nationsonline. Countries can be compared by their locations and timezones.
becase it constly changeing
The cash flow is different in different countries because of the econmoy. Depending the value of the currency some countries would greater cash flow compare to poor countries.
One can compare the statistics of email marketing for different countries from the following sources: Email Vision, Smart Insights, Email Monday, Mobiliz Email, Exact Target, eMarketer.
Some are different, some are the same, you would have to ask about two specific countries to compare.
i dont get much tym to do so...... lol :x
by comparing real GDP per capita
It is easier to compare different rates and, provided that the unit rate is simple, the equation for conversion is also simple.
To see the different effects of colonisation compare the condition of the different countries with who colonised them.
It is difficult because countries collect data in different ways and some countries collect data on expenditures instead of incomes.
Comparative education is a fully established academic field of study that examines education in one country (or group of countries) by using data and insights drawn from the practises and situation in another country, or countries "sajad daing"