The World Development Indicators (WDI) is the statistical benchmark that helps measure the progress of development. The WDI provides a comprehensive overview of development drawing on data from the World Bank and more than 30 partners.

Footnotes:
1: Index base: 1990=100.
2: Excl. "Rent".
3: March-December; Series linked to fomer series.
4: Series linked to former series.
5: Dec.
6: Average of the first three quarters.
7: Index base: 1982 = 100.
8: Dec. of each year.
9: Index base 2001=100.
10: Series (base 2001=100) replacing former series.
11: As from 1993 index base 2000=100, prior to 1992: index base 1990=100.
12: Jan.-Nov.
13: Series (base 2000=100) replacing former series.
14: Metropolitan areas.
15: As from 1997 index base 2000=100; from 1985 to 1996: index base 1990=100; prior to 1985: index base 1984=100.
16: June-Dec.; series (base 1990=100) replacing former series.
17: July-Dec.
18: Government officials.
19: Index base: 1989=100.
20: Jan., Feb. and April-Dec.
21: As from 1992 index base 2000=100; prior to 1992: Index base 1990=100.
22: Prior to 1976: excl."Rent"; series linked to former series.
23: Jan.-Oct.
24: Urban areas.
25: Index base: 2005=100.
26: As from 1978 index base 2000; prior to 1978:index base 1977=100.
27: Index base: 1979 = 100.
28: As from 1990 index base 2000=100; prior to 1990: index base 1989=100.
29: As from 1982 index base 2000=100; prior to 1982: Index base 1981=100.
30: Aug.-Dec.; series (base 2000=100)replacing former series.
31: Prior to 1980:Government officials; series linked to former series.
32: Oct.-Dec.
33: Prior to Dec. 2003: Douala and Yaoundé only.
34: As from 1988 index base 2000=100; prior to 1988: Index base 1987=100.
35: Average of 9 months.
36: Index base: 1978 = 100.
37: High income group.
38: Low income group.
39: Feb.-April and June-Dec.
40: Index base: 1981 = 100.
41: Central area.
42: As from 1996:index base 2000=100; prior to 1996 Index base 1991=100.
43: Series (base 2000=100) replacing former series; prior to 1996: low income group.
44: Index base: 1991=100.
45: March-Dec.
46: Jan.-Aug.
47: As from 1977 index base 2000=100; prior to 1977: Index base 1976=100.
48: Jan.-July and Sep.-Dec.
49: Jan.-Aug. and Nov.-Dec.
50: Nov.
51: Jan.-May and Aug.-Dec.
52: As from 1997 index base 2000=100; prior to 1997: Index base 1990=100.
53: Series (base 2000=100) replacing former series; prior to sept. 1996: excl. "Rent".
54: Jan.-Aug.
55: As from 1976 index base 2000=100; prior to 1976: Index base 1975=100.
56: Jan., April and July.
57: June-Dec.
58: Jan.
59: Jan.-June and Sep.-Dec.
60: Jan.-May and Sep.-Dec.
61: Prior to 1981: Papeete only; series linked to former series.
62: As from 1991 index base 2000=100; prior to 1991: Index base 1991=100.
63: Feb.-Dec.
64: Jan.-May and July-Dec.
65: Official estimate.
66: Prior to 1975: excl. "Rent"; series linked to former series.
67: Jan.-June and Aug.-Dec.
68: 5 cities.
69: Jan.-March and Aug.-Dec.
70: As from 1990 index base 2000=100; prior to 1990: Index base 1990=100.
71: Prior to 1990:urban areas only; series (base 2000=100) replacing former series.
72: Feb.-Dec.
73: Jan.-July.
74: As from 1984:index base 2000=100; prior to 1984 Index base 1975=100.
75: Index base 2003=100.
76: As from 1990 index base 2000=100; prior to 1990: Index base 1988=100.
77: July-Dec.; series (base 2000=100) replacing former series.
78: Jan.-Sep.
79: As from 1997 index base 2000=100; prior to 1996: Index base 1990=100.
80: Series replacing former series.
81: Annual averages are based on the months Feb.-Dec. and of January of the following year.
82: As from 1988 index base 2000=100; prior to 1988: Index base 1986=100.
83: Beginning November 1999: excluded Dili.
84: March-Dec.
85: As from 1979 index base 1990=100; prior to 1979: Index base 1978=100.
86: May-Dec.
87: Series (base 1990 = 100) replacing former series.
88: Excl. tobacco.
89: Index base June 2000=100.
90: June of each year.
91: Index base: 1977 = 100.
92: Fourth quarter.
93: Jan.-June.
94: As from 2000 index base 2000=100; prior to 2000: Index base 1990=100.
95: Jan.-June.
96: Index base: 1984 = 100.
97: As from 1991 index base 2000=100; prior to 1990: Index base 1989=100.
98: Prior to July 1987: excl. "Rent".
99: Series (base 2000=100) replacing former series; prior to 1999: excl. Rent. .
100: As from 1992 index base 2000=100; prior to 1992: Index base 1987=100.
101: Prior to 1980: Fort-de-France only; series linked to former series.
102: As from 1990:index base 2000=100; prior to 1990 Index base 1984=100.
103: July-Dec.; series linked to former series.
104: Index base: 1987=100.
105: March.
106: As from 1994 index base 2000=100; from 1980 to 1986: index base 1986=100; prior to 1986: index base 1976=100.
107: Series (base 1986 = 100) replacing former series.
108: Index base 2002=100.
109: As from 1975 index base 2000=100; prior to 1974: Index base 1973=100.
110: Index base 1999=100.
111: As from 1988 index base 2000=100; prior to 1988: Index base 1980=100.
112: Series linked to former series; prior 1991: excl. rent.
113: Jan.-Aug. and Oct.-Dec.
114: Average of the last three quarters.
115: As from 1998 index base 2000=100; prior to 1998 Index base 1990=100.
116: Prior to 1990:urban areas only; series replacing former series
117: As from 1991 index base 2000=100; prior to 1991: Index base 1990=100.
118: 10 months' average.
119: April-Dec.
120: April-Dec.; series linked to former series.
121: As from 1997 index base 2000=100; prior to 1992: Index base 1990=100.
122: As from 1982 index base 2000=100; prior to 1981: Index base 1980=100.
123: As from 1973 index base 1981=100; prior to 1973: Index base 1972=100.
124: Beginning 1973: excl. "Rent"; series (base 1981 = 100) replacing former series.
125: Series (base 2003=100) replacing former series.
126: All cities.
127: Middle income group.
128: As from 1994 index base 2000=100; prior to 1993: Index base 1990=100.
129: Prior to 1978: excl. "Rent"; series linked to former series.
130: As from 2001 index base 2001=100; prior to 2001: Index base 2000=100.
131: Series (base 2002=100) replacing former series.
132: As from 1992 index base 2001=100; prior to 1992: Index base 1990=100.
133: Half-year average.
134: April-Dec.
135: As from 1994 index base 2000=100; prior to 1996: Index base 1990=100.
136: As from 1992 index base 2000=100; prior to 1990: Index base 1989=100.
137: All Urban Consumers.
138: Prior to 1990: low income group; series (base 2000=100) series replacing former series.
139: Jan.-March and Oct.-Dec.
140: Index base: 1974=100.
141: Index base: 1988=100.
142: Due to lack of space, multiply each figure by 1000.