There are eight countries in sub Saharan Africa that have their death rates cut by 75 percent.

Five years ago, 135 million children were born so, more and less than 10 million of them died before the age of five.

Yet they suffered fatalities of less than half a percent during the blackout.

The proletarian infant mortality rate has dropped by 12 per cent.

They vaccinated the kids. They get better water.

This is just one example.

Internationally comparable data on life expectancy, on kids' maths and literacy scores, on infant mortality rates, homicide rates, proportion of the population in prison, teenage birthrates,

Now the reason for that is a good deal less clear than the reason for the decline in infant mortality that happened first

We'll swap the axis.

1900, Sweden was there.

Lifespan is up by 30 percent in my lifetime.

And one of the questions from which I learned a lot was this one

And these are the so called developing countries.

I'm going to show you the relationship between child mortality on this axis here this axis here is child mortality and here I have the family size.

You under 16?

They have here Singapore.

As recently as 1960, 110 million children were born, and 20 million of those died before the age of five.

And on day six, they basically threw in the towel.

Okay. I give you Singapore, the year I was born.

And isn't it a success story.

It fell in every hospital it went into.

And our kill ratio would be what?

That happens in less than 2 of our missions.

How much does a banner cost?

Look here. This is the world.

Maximum rate of death

Minimum rate of death

Cookie is under 5 years old.

Is that likely, do you think, here?

In the first stage from let's say 100 years until 50 years ago, most of the increase in every's lifespan was due to very much fewer people dying in early life especially in infancy.

Today's question comes from San Francisco, California.

Some of the effects of malnutrition during pregnancy were immediately apparent in higher rates of stillbirths, birth defects, low birth weights and infant mortality.

I bring you to the webpage, ChildMortality.org, where you can take deaths in children below five years of age for all countries it's done by U.N. specialists.

Now over here, subtract 3 from both sides.

Look here you have to end poverty, education, gender, child and maternal health, control infections, protect the environment and get the good global links between nations in every aspect from aid to trade.

Sweden achieved a low child mortality because we started early.

And the ones over there, they were so called Western countries.

They attributed the low death rate of infants to the progress of medicine.

Look even if we look in Africa these are the African countries.

Let me show you Thailand, see what a success story, Thailand from the 1960s how they went down here and reached almost the same child mortality levels as Sweden.

Children under three are admitted free of charge.

But there were costs.

UNAlDS tell us that the HlV rate in Zambia is 20 percent, and mortality estimates suggest it's only about 5 percent.

The tuberculosis rate on Pine Ridge is approximately eight times higher than the US national average.

Population growth will mainly occur among the poorest people here because they have high child mortality and they have many children per woman.