| {{< div id="int32" content="int32" >}} | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead. | int32 | int |
| {{< div id="int64" content="int64" >}} | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead. | int64 | long |
| {{< div id="uint32" content="uint32" >}} | Uses variable-length encoding. | uint32 | int |
| {{< div id="uint64" content="uint64" >}} | Uses variable-length encoding. | uint64 | long |
| {{< div id="sint32" content="sint32" >}} | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int |
| {{< div id="sint64" content="sint64" >}} | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long |
| {{< div id="fixed32" content="fixed32" >}} | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int |
| {{< div id="fixed64" content="fixed64" >}} | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long |
| {{< div id="sfixed32" content="sfixed32" >}} | Always four bytes. | int32 | int |
| {{< div id="sfixed64" content="sfixed64" >}} | Always eight bytes. | int64 | long |
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Willy Kloucek