Trends indicate that of the estimated 6,000 languages spoken worldwide, between 40 and 50 percent may vanish within the next century. Australia, which at one time had 250 languages, has already been reduced to about 20.
संयुक्‍त राष्ट्र बाल निधि (UNICEF) के अनुसार, निरक्षरता दर बढ़ सकती है ।