This timeline shows a graph from 1991 to 2012 of Tonga. No data until 1990. Number of actual observations by date: 22.
Source name:
World Development Indicators
Source organization:
1. WHO. Global anemia prevalence and trends 1995-2011. Geneva: World Health Organization; forthcoming. 2. Stevens GA, Finucane MM, De-Regil LM, et al. Global, regional, and national trends in hemoglobin concentration and prevalence of total and severe anemia in children and pregnant and non-pregnant women for 1995-2011: a systematic analysis of population-representative data. The Lancet Global Health 2013; 1(1): e16-e25.
Categories, topics:
Health
Last updated:
apr 23, 2017
Indicators value changes by year
Meaning:
36.109
Minimum:
33.6
jan 1, 2002
Maximum:
42.5
jan 1, 1991
At the date of observation
Value
Absolute change
Change from the previous value
jan 1, 1991
42.5
+42.5
0.0%
jan 1, 1992
41.2
-1.3
-3.06%
jan 1, 1993
40.0
-1.2
-2.91%
jan 1, 1994
38.9
-1.1
-2.75%
jan 1, 1995
37.7
-1.2
-3.08%
jan 1, 1996
36.8
-0.9
-2.39%
jan 1, 1997
35.9
-0.9
-2.45%
jan 1, 1998
35.1
-0.8
-2.23%
jan 1, 1999
34.5
-0.6
-1.71%
jan 1, 2000
34.0
-0.5
-1.45%
jan 1, 2001
33.8
-0.2
-0.59%
jan 1, 2002
33.6
-0.2
-0.59%
jan 1, 2003
33.7
+0.1
0.3%
jan 1, 2004
34.0
+0.3
0.89%
jan 1, 2005
34.3
+0.3
0.88%
jan 1, 2006
34.7
+0.4
1.17%
jan 1, 2007
35.1
+0.4
1.15%
jan 1, 2008
35.3
+0.2
0.57%
jan 1, 2009
35.5
+0.2
0.57%
jan 1, 2010
35.7
+0.2
0.56%
jan 1, 2011
35.9
+0.2
0.56%
jan 1, 2012
36.2
+0.3
0.84%
Ranking of countries by current statistics by years