According to Google search:

World Birth and Death Rates

Estimated 2011

Birth Rate
Death Rate

• 19 births/1,000 population
• 8 deaths/1,000 population
• 131.4 million births per year
• 55.3 million people die each year
• 360,000 births per day
• 151,600 people die each day
• 15,000 births each hour
• 6,316 people die each hour
• 250 births each minute
• 105 people die each minute
• Four births each second of every day
• Nearly two people die each second

Average life expectancy at birth is approximately 67 years. Sources: Population Reference Bureau & The World Factbook (Central Intelligence Agency)