Category I: ~600-750 class hours
The Foreign Service Institute classifies languages into categories based on the estimated time required for native English speakers to achieve professional working proficiency. Category I represents the least difficult tier, requiring 600-750 class hours and 24-30 weeks of study. This category includes 12 languages that are linguistically close to English, sharing substantial vocabulary, similar grammatical structures, and familiar writing systems.
Languages in Category I are predominantly Germanic and Romance languages with significant historical and cultural ties to English. Examples include Afrikaans, Catalan, Danish, Dutch, and French. These languages present fewer obstacles to English speakers due to cognates, overlapping phonetic patterns, and comparable syntactic frameworks. The relatively short study timeline reflects the advantage of learning languages that occupy nearby branches on the Indo-European language family tree.
Languages in this tier
| Language | FSI hours | Writing system | FSI harder? |
|---|---|---|---|
| Afrikaans | ~600-750 hrs | Latin | — |
| Catalan | ~600-750 hrs | Latin | — |
| Danish | ~600-750 hrs | Latin | — |
| Dutch | ~600-750 hrs | Latin | — |
| French | ~600-750 hrs | Latin | yes |
| Galician | ~600-750 hrs | Latin | — |
| Italian | ~600-750 hrs | Latin | — |
| Norwegian | ~600-750 hrs | Latin | — |
| Portuguese | ~600-750 hrs | Latin | — |
| Romanian | ~600-750 hrs | Latin | — |
| Spanish | ~600-750 hrs | Latin | yes |
| Swedish | ~600-750 hrs | Latin | — |
Compare every difficulty tier → · A study plan for this tier →
Canonical class-hours and weeks are the FSI figures for this tier, from the US State Dept FSI list (public domain), verified June 2026. How we compile this — confirm against state.gov on an operator pass. Speaker counts, language-family and region data from Wikipedia (Ethnologue figures), licensed CC BY-SA 4.0.