Friesland has 643,000 inhabitants (2005), of whom 94% can understand spoken West Frisian, 74% can speak West Frisian, 75% can read West Frisian, and 27% can write it.
Di antara 643.000 penduduk Friesland, 94% dapat mengerti bahasa Frisia yang dituturkan, 74% dapat berbicara bahasa Frisia, 74% mampu membaca bahasa Frisia, dan 27% dapat menuliskannya.