Which is the oldest language in the world answer?
All the universities and educational institutions spread across the world consider Sanskrit as the most ancient language. It is believed that all the languages of the world have originated from Sanskrit somewhere. The Sanskrit language has been spoken since 5,000 years before Christ.
Sumerian language, language isolate and the oldest written language in existence. First attested about 3100 bce in southern Mesopotamia, it flourished during the 3rd millennium bce.
Greek is derived from Mycenaean Greek which appeared around 700 years ago after which The Odyssey was written. Modern Greece that is spoken by 13.5 million people around the world has a rough origination from almost 3,500 years back. This is the second oldest language in the world which is still being used today.
For those who don't know, Tamil is the Oldest Living Language of the World. It is a language spoken by nearly 78 million people! It is widely spoken in Sri Lanka, Singapore and India and is a part of the Dravidian language family. It is also the official language of the state of Tamil Nadu.
The Proto-Human language (also Proto-Sapiens, Proto-World) is the hypothetical direct genetic predecessor of all the world's spoken languages.
Middle Ages. Traditional Jewish exegesis such as Midrash says that Adam spoke the Hebrew language because the names he gives Eve – Isha and Chava – only make sense in Hebrew.
Though we can not ascertain the world's oldest language, other languages including Chinese and Egyptian are older than Tamil.
English belongs to the Indo-European family of languages and is therefore related to most other languages spoken in Europe and western Asia from Iceland to India. The parent tongue, called Proto-Indo-European, was spoken about 5,000 years ago by nomads believed to have roamed the southeast European plains.
The human larynx is much lower, relative to cervical vertebrae, than that of our ancestors and other primates. The descent of the larynx, the theory held, was what elongated our vocal tract and enabled modern humans to begin making the contrasting vowel sounds that were the early building blocks of language.
An evolutionary biologist argues that humans started talking because they needed to negotiate. Sometime around 120,000 years ago in the desert near Oued Djebbana, in what is modern-day northern Algeria, a human acquired some small seashells.
What was the first language that Adam and Eve speak?
Adamic was the language spoken by Adam and Eve in the Garden of Eden. Adamic is typically identified with either the language used by God to address Adam, or the language invented by Adam (Book of Genesis 2:19).
Indic traditions. In Vedic religion, "speech" Vāc, i.e. the language of liturgy, now known as Vedic Sanskrit, is considered the language of the gods.

The Hebrew Bible states that God revealed himself to mankind. God speaks with Adam and Eve in Eden (Gen 3:9–19); with Cain (Gen 4:9–15); with Noah (Gen 6:13, Gen 7:1, Gen 8:15) and his sons (Gen 9:1-8); and with Abraham and his wife Sarah (Gen 18).
Even after nearly 2,000 years of its existence, and centuries of investigation by biblical scholars, we still don't know with certainty who wrote its various texts, when they were written or under what circumstances.
Tamil is older than Sanskrit and there is record of 'Tamil Sangam' dating back 4,500 years, he said.
Some believe that Telugu evolved from proto-Dravidian, which is the mother of 21 languages that took birth south of the Vindhyas. Those who argue that Telugu is older than Tamil, peg the date of origin of Telugu to at least 1000 years BCE (3000 years old).
Tulu is the oldest living language in the world. Older than Tamil. It has a recorded history of more than 2000yrs, mentioned in Greek papyrus charition mime, Oxyrhynchus. Having it's own script used for centuries to write elaborate Tulu literature as well as other texts.