Income per Unit

12 Months Ended

Dec. 31, 2020

Digital Realty Trust, L.P.

Class of Stock

Income per Unit

11. Income per Unit

The following is a summary of basic and diluted income per unit (in thousands, except unit and per unit amounts):

	Year Ended December 31,
	2020		2019		2018
Net income available to common unitholders	$	272,842	$	514,111	$	260,110
Weighted average units outstanding—basic		268,072,983		217,284,755		214,312,871
Potentially dilutive common units:
Unvested incentive units		120,775		165,185		141,260
Unvested restricted units		177,244		—		—
Forward equity offering		1,596,476		813,073		33,315
Market performance-based awards		529,035		158,166		463,488
Weighted average units outstanding—diluted		270,496,513		218,421,179		214,950,934
Income per unit:
Basic	$	1.02	$	2.37	$	1.21
Diluted	$	1.01	$	2.35	$	1.21

We have excluded the following potentially dilutive securities in the calculations above as they would be antidilutive or not dilutive:

	Year Ended December 31,
	2020	2019	2018
Potentially dilutive Series C Cumulative Redeemable Perpetual Preferred Units	1,489,983	1,695,765	1,876,584
Potentially dilutive Series G Cumulative Redeemable Preferred Units	1,452,809	2,102,655	2,326,861
Potentially dilutive Series H Cumulative Redeemable Preferred Units	—	789,846	3,409,772
Potentially dilutive Series I Cumulative Redeemable Preferred Units	1,269,035	2,105,116	2,329,584
Potentially dilutive Series J Cumulative Redeemable Preferred Units	1,475,721	1,679,534	1,858,622
Potentially dilutive Series K Cumulative Redeemable Preferred Units	1,551,801	1,334,691	—
Potentially dilutive Series L Cumulative Redeemable Preferred Units	2,543,639	670,823	—
Total	9,782,988	10,378,430	11,801,423