How To Research Annuities? 
The annuity product inventory is massive with two macro-categories : immediate and deferred . Immediate annuities can be classified by the most popular payout periods like 10 , 20 or lifetime . There are subsets to this , but not for research sake . Deferred annuities are classified by crediting methods such as interest rates , indices for indexing and separate sub accounts in variable annuities . Once you determine you risk profile and product suitability you can Google annuity spreadsheet comparisons or call me for ours . 