Iran vs Tonga: Dealing with construction permits: Quality control during

Iran
2 DB16-20 methodology
in 2019
Tonga
2 DB16-20 methodology
in 2019
Iran rank
20th
Tonga rank
20th

Dealing with construction permits: Quality control during over time

  • Iran
  • Tonga
00.511.52201420162019

How they compare

Iran currently reports 2 DB16-20 methodology against 2 DB16-20 methodology in Tonga, a difference of 0 DB16-20 methodology.

Across all 6 years both countries report, Tonga has been ahead every year.

Iran ranks 20th and Tonga ranks 20th of 185 countries.

Frequently asked questions

Which has higher dealing with construction permits: quality control during, Iran or Tonga?
Iran, at 2 DB16-20 methodology against 2 DB16-20 methodology in Tonga as of 2019.
What is the difference in dealing with construction permits: quality control during between Iran and Tonga?
0 DB16-20 methodology, with Iran ahead.
How many years of comparable data are there for Iran and Tonga?
6 years are reported by both, from 2014 to 2019.
How do Iran and Tonga rank globally for dealing with construction permits: quality control during?
Iran ranks 20th and Tonga ranks 20th of 185 countries.
Where does this data come from?
The World Bank, published as Dealing with construction permits: Quality control during construction index (0-3) (DB16-20 methodology). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Tonga: Dealing with construction permits: Quality control during. Statizoid. Retrieved 17 August 2026, from https://private-sector.statizoid.com/compare/dealing-with-construction-permits-quality-control-during-construction-index-0-3-db16-20/iran-islamic-rep/tonga/

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About this data

Indicator
Dealing with construction permits: Quality control during construction index (0-3) (DB16-20 methodology)
Unit
DB16-20 methodology
Source
World Bank
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
185 places, 1,109 data points, 2014–2019
Last refreshed

The quality control during construction index evaluates quality control during the construction process. It has two components: (i) whether inspections are mandated by law during the construction process; (ii) whether inspections during construction are implemented in practice. The index is computed based on the methodology in the DB16-20 studies.