Any correlation between the numbers below and the development in Africa Main land?

WHY AFRICA IS 25 YEARS BEHIND THE DEVELOPED WORLD.....

AFRICAN LEADERS

Abdulai Wade age 83

Hosni Mubarak ( Egypt ) age 82
Robert Mugabe ( Zimbabwe ) age 86

Hifikepunye Pohamba ( Namibia ) age 74

Rupiah Banda ( Zambia ) age 73
Mwai Kibaki ( Kenya ) age 71
Ellen Johnson Sirleaf ( Liberia ) age 75

Colonel Gaddafi (Libya ) age 68..
Jacob Zuma (South Africa) age 68
Bingu Wa Mtalika (Malawi)

Guebuza ( Mozambique) age 67

Yoweri Museveni (Uganda) age 68..

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Average Age: 75.6 ~ Approximately 76 years (then they arrive and do not want to depart, blocking new perspectives)
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THE FIRST WORLD

Barrack Obama (USA) age 48
David Cameron (UK) age 43
Dimitri Medvedev ( Russia) age 45
Stephen Harper ( Canada) age 51
Julia Gillard (Australia) age 49
Nicolas Sarkozy (France ) age 55
Luis Zapatero (Spain ) age 49
Jose Socrates ( Portugal) age 53

Angela Merkel ( Germany ) age 56

Herman Van Rompuy ( Belgium ) age 62

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Average Age: 51.1 ~ Approximately 51 years
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DIFFERENCE: 25 years
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HOW DO WE MOVE FORWARD WITH THIS OLD SQUAD...?