And here, it seems, there is a gap between OECD, Latin America, East Europe, East Asia,

Now Africa, Sub Saharan Africa

But let me split sub Saharan Africa. Health is there and better health is up there.

So look at the average here this is the average for all of sub Saharan Africa.

Now in 1957,

I heard that your departments here were by regions.

This is the ratio of optometrists to people in sub Saharan Africa.

And it's the same with nurses.

Growth of six percent a year. Absolutely incredible.

Next, let's add Asia in red, the Middle East and North Africa in green, sub Saharan Africa in blue, black is South America, purple is Central America, and then in pukey yellow, we have North America,

And just watch the change in colors in India, China, Europe, sub Saharan Africa as we move on and consume global biomass at a rate which is actually not going to be able to sustain us.

Now, I would suggest that you could do this in a lot of places.

The countries which have many babies per woman here, they have quite low income.

And Ghana was not paying enough attention.

We want to liberate the kids who are stuck in beds because,

Then you see Sierra Leone and Mauritius, completely different.

Conversely, at the bottom left of the graph, are countries that are not producing much well being typically, sub Saharan Africa.

Of these, two thirds, 22 million are living in sub Saharan Africa.

Here come all the countries

Each bubble is a country the color, you can see, a continent.

We're actually sharing tours of the universe with the first sub Saharan planetarium in Ghana as well as new libraries that have been built in the ghettos in Columbia and a high school in Cambodia.

It's Africa that already is affected.

If you complete the game, you will be certified by the World Bank Institute as a Social Innovator, class of 2010.

There are 1.4 million pregnant women in low and middle income countries living with HlV and of these, 90 percent are in sub Saharan Africa.

Since the year 2000, since the turn of the millennium, there are eight million more AlDS patients getting life saving antiretroviral drugs.

There's always one continent left out, the assumption being that sub Saharan Africa had no religious beliefs.

Time has come to stop thinking about sub Saharan Africa as one place.

As funding for HlV research increases in developing countries and ethical review in richer countries become more strict, you can see why this context becomes very, very attractive.

Two years later we started doing a project on developing mobile health clinics in sub Saharan Africa, responding to the HlV AlDS pandemic.

And we started engaging the medical community, and you know, we thought we were real bright sparks

It's interesting to see the enormous diversity within sub Saharan Africa.

Now, the highest concentration of poor and hungry people in the world, and the place where climate change, ironically, is going to be the worst is in South Asia and sub Saharan Africa.

To the rainy southern country

Some are already deserts others are being seriously degraded by the sand.

Malaria kills almost 900,000 people every year, most of them in Sub Saharan Africa, most of them under five.

And suddenly they pulled out sheets of paper and were trying to figure out, How do we survey the population of Sub Saharan Africa?

And on this, heath, child survival, and it doesn't come as a surprise that Africa south of Sahara is at the bottom.

Private Sahara!

Sahara!

Sahara.

Sahara.

Sahara!

To the rainy southern country

The linearity is very strong between child survival and money.

If I change this, and take GDP per capita instead of family income, and I turn these individual data into regional data of gross domestic product, and I take the regions down here, the size of the bubble is still the population.