Hal ini biasanya digunakan sebagai ukuran ketidaksamaan dari pendapatan atau kekayaan.[4] Di seluruh dunia, pekali Gini untuk rentang pendapatan daripada 0.23 (Sweden) ke 0.70 (Namibia) walaupun tidak setiap negara telah dinilai.
^Gini, C. (1912) (Itali: Variabilità e mutabilitàcode: it is deprecated (Variability and Mutability), C. Cuppini, Bologna, 156 pages. Reprinted in Memorie di metodologica statistica (Ed. Pizetti E, Salvemini, T). Rome: Libreria Eredi Virgilio Veschi (1955).
^Gini, C (1909) Concentration and dependency ratios (in Italian). English translation in Rivista di Politica Economica, 87 (1997), 769-789.
^Sadras, V.O., Bongiovanni, R., 2004. Use of Lorenz curves and Gini coefficients to assess yield inequality within paddocks. Field Crops Res. 90, 303-310.
^Gini, C. (1936) On the Measure of Concentration with Special Reference to Income and Statistics, Colorado College Publication, General Series No. 208, 73-79.