Official local currency units per US dollar. Source: World Bank — Global Economic Monitor. Retrieved 2 Oct 2026.
Chart and history show the annual period-average official rate (World Bank). The headline figure is the latest official snapshot.
| Period | Official Exchange Rate |
|---|---|
| 2025 | 21.75 STN/USD |
| 2024 | 22.64 STN/USD |
| 2023 | 22.66 STN/USD |
| 2022 | 23.29 STN/USD |
| 2021 | 20.71 STN/USD |
| 2020 | 21.51 STN/USD |
| 2019 | 21.88 STN/USD |
| 2018 | 20.75 STN/USD |
| 2017 | 21.74 STN/USD |
| 2016 | 22.15 STN/USD |
| 2015 | 22.09 STN/USD |
| 2014 | 18.47 STN/USD |
51 countries carry a recent official exchange rate against the US dollar figure. Each opens its own page with the history, the source and the API request.
140 of 207 indicators carry a figure for Sao Tome and Principe, grouped by topic.