I need text for a PowerPoint slideshow on world hunger for a half hour presentation. Focus on statistics and facts if possible.
Slide 1 (title):

A Breakdown of World Hunger Statistics

Slide 2:

Hunger Worldwide
    • Up to 828 million people struggled with hunger in 2021.
    • Hunger issues have increased by 150 million people since 2019.
    • The WHO cited COVID-19 as a primary cause of the increase.

Slide 3:

Causes of Hunger
    • Economic development
    • Natural and manmade disasters
    • Lack of access to infrastructure and opportunities

Slide 4:

Who Is Working On This?
    • UNICEF
    • Heifer International
    • Meals on Wheels America

Slide 5:

Any questions?