Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
999,916
Country Rank
570
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/5973.png)
![Tanzania](/flags/tz.png)
![Robert Lihawa](/user/assets/images/profile/no-profile-photo.png)
Health Economics
Development Economics
Environmental Economics & Econometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 Index Rankings
World Rank
2,029,409
Country Rank
2,702
Institution Rank : 737
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![Tanzania](/flags/tz.png)
![Wiggins Aaron Kyatikila](https://cdn.adscientificindex.com/pictures/61/5735895.jpg)
Econometrics
Environmental economics
biostatistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
World Ranking
999,916
Country Ranking
570
Institution Ranking
15
Robert Lihawa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
![](https://cdn.adscientificindex.com/logos/5973.png)
Health Economics
Development Economics
Environmental Economics & Econometrics
* Total i10 Index Rankings
World Ranking
2,029,409
Country Ranking
2,702
Institution Ranking
737
Wiggins Aaron Kyatikila
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0