to just over one percent. Similar to the global accounting model, the
rate of change for the poorest 40% of the world population remains
dismal at one percent between 1990 and 2007. The poorest and
richest countries in the world as of 2007 are listed in Table 4
according to the inter-country accounting model under market
exchange rates.
Figure 3. Global Income Distribution by Countries, 1990- 2007
(or latest available) in constant 2000 U.S. dollars
Source: Authors’ calculations using World Bank (2011)
Table 3. Summary Results of Global Income
Distribution by Countries, 1990-^2007
1990 Inter-country Distribution (%) 2000 2007
Q5 85.7 85.2 81.2
Q4 9.6 7.9 9.4
Q3 2.0 3.5 5.6
Q2 1.6 2.1 2.4
Q1 1.2 1.3 1.4
# of observations 173 180 182
% of global
population
97.0 97.6 97.6
% of global GDP 98.3 98.3 98.1
Source: Authors’ calculations using World Bank (2011)