Still Spoken: No
Eventually, Sumerian was replaced by Akkadian as the commonly spoken language in southern Mesopotamia (c. 2000 BCE). However, Sumerian was still used in sacred, ceremonial, literary, and scientific language until about 100 AD.
Is Sumerian a dead language?
After around 2000 B.C., ancient Sumerian gradually died off as a spoken language in the region. For the next 2,000 years, the tongue lingered on as a dead written language, similar to Latin in the Middle Ages, but has been completely extinct since then, Konfirst said.
Can we read Sumerian language?
Some 90% of cuneiform texts remain untranslated. ... But its texts are mainly written in Sumerian and Akkadian, languages that relatively few scholars can read.