Zimbabwe is 23 times larger than Swaziland.
Area: 17,364 km2 World Factbook
Population: 1,419,623 (July 2014) World Factbook
Swaziland, officially the Kingdom of Swaziland and sometimes called kaNgwane or Eswatini, is a sovereign state in Southern Africa surrounded – with the exception of Mozambique to its east – by South Africa. Wikipedia
Area: 390,757 km2 World Factbook
Population: 13,771,721 (July 2014) World Factbook
Zimbabwe, officially the Republic of Zimbabwe, is a landlocked country located in southern Africa, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia to the northwest and Mozambique to the east. The capital is Harare. Wikipedia