0.655 in the developing world as a whole and
0.929 in the high-income OECD countries.43
According to the UNHDI, SSA lags behind
most of the world in practically all indicators of
human well-being. The people of SSA suffer
from shorter life spans; higher infant mortality;
a higher incidence of HIV, malaria, and tuberculosis;
a higher incidence of undernourishment;
and lower school enrolment.44