Greece: better health care system meaning fewer die from preventable illness, access to more sophisticated treatments, such as heart by-pass surgery, women have careers so delay having a family, Children are expensive so the greater number of children the bigger the financial burdenr the financial burdenr the financial burden, Freely available contraception means women have more choice in when to start a family, Vaccinations such as MMR mean people don't die from vaccine-preventable diseases, Reliable food supply means few people due from malnutrition, South Sudan: Contraception is not always widely available and information on birth control is not always easily accessed, Women have access to less education in developing countries, so tend to have more children, earlier in their lives, Child mortality rates are lower so women may have more children to ensure some survive into adulthood, More children to work so they can help to look after them in their old age. , Less reliable food supply mean more deaths from malnutrition, Lack of money means more people per doctor so people have to wait longer for treatment, Lack of clean water supple means people die from diseases like cholera,

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