Chad vs Nigeria: Import product concentration index
Import product concentration index over time
- Chad
- Nigeria
How they compare
Nigeria currently reports 0.1095 against 0.1092 in Chad, a difference of 0.0003.
The two have swapped places 3 times across 17 shared years of data; in 1995 it was Chad ahead.
Chad ranks 37th and Nigeria ranks 36th of 53 countries.
Across the 3 decades both report, Chad averaged higher in 2 and Nigeria in 1.
Head to head by decade
| Decade | Chad | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.1003 | 0.0624 | 0.038 | Chad |
| 2000s | 0.1148 | 0.0885 | 0.0264 | Chad |
| 2010s | 0.1056 | 0.1057 | 0.0001 | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher import product concentration index, Chad or Nigeria?
- Nigeria, at 0.1095 against 0.1092 in Chad as of 2011.
- What is the difference in import product concentration index between Chad and Nigeria?
- 0.0003, with Nigeria ahead.
- How many years of comparable data are there for Chad and Nigeria?
- 17 years are reported by both, from 1995 to 2011.
- How do Chad and Nigeria rank globally for import product concentration index?
- Chad ranks 37th and Nigeria ranks 36th of 53 countries.
- Where does this data come from?
- UNCTAD Statistical Office, also reported in the UNCTAD Handbook of Statistics, various issues (http://unctadstat.unctad.org/), published as Import product concentration index. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
This indicator reflects the Herfindahl-Hirschmann index measure of the degree of import concentration within a country. The sectoral Hirschmann index is defined as the square root of the sum of the squared shares of exports of each industry in total exports for the region under study. Takes a value between 0 and 1, with 1 indicating that only a single product is exported. Higher values indicate that imports are concentrated in fewer sectors. On the contrary, values closer to 0 reflect a more equal distribution of market shares among importers. Note that this type of concentration indicator tends to be quite vulnerable to cyclical fluctuations in relative-prices, in a way that commodity price rises make commodity importers look more concentrated.