Human Development Index (UNDP): Tonga

The latest reading SOTW holds for Tonga is 0.769 index 0 to 1 for 2023, from UNDP Human Development Report Office.

Source series · Listed tier · Development · Annual · index 0 to 1 · UNDP.L.HDI.A · TON

Listed tier: bulk-loaded from the publisher's file as published; not individually reviewed by SOTW.

Latest
0.769
index 0 to 1 · 2023
Previous
0.764
index 0 to 1 · 2022
Earliest held
0.641
index 0 to 1 · 1990
Readings shown
34
Every reading SOTW holds

Tonga · history

index 0 to 1 · Annual

Source: UNDP Human Development Report Office. Viewer read 2026-11-12T04:21:06.409Z (UTC); publisher acquisition and release times are not supplied here. Original units; no interpolation, rebasing or conversion. Missing periods and stored U/B flags interrupt the line. Daily gaps can include non-business days.

Readings, newest first

Human Development Index (UNDP): Tonga: 34 readings, newest first. Source: UNDP Human Development Report Office.
PeriodValue (index 0 to 1)
20230.769
20220.764
20210.763
20200.765
20190.763
20180.759
20170.755
20160.749
20150.743
20140.740
20130.737
20120.735
20110.731
20100.724
20090.718
20080.717
20070.710
20060.708
20050.706
20040.705
20030.703
20020.700
20010.693
20000.688
19990.688
19980.685
19970.680
19960.678
19950.675
19940.670
19930.660
19920.654
19910.649
19900.641

Source: UNDP Human Development Report Office. All 34 readings held, 1990 to 2023. n/a means the source value is missing or withheld.

More